Definition of light year in English:

light year

noun

Astronomy

1A unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 × 10¹² km (nearly 6 million million miles).
〔天文〕光年
Example sentencesExamples
- Superclusters are known with sizes as large as 300 million light years, containing as much as 10 solar masses of material.
- In theory there should be no intelligent species within a million light years the solar system.
- Neutrinos are ghostly particles that can travel through a light year of lead and they have no problem escaping directly from the core of a supernova.
- A light year is a convenient means of distance measurement because conventional means in miles or kilometers is so large as to thwart true appreciation.
- If a star exploded a light year away, the increased cosmic ray intensity could have killed the animals by giving them all an intense dose of radiation.
1. 1.1informal A long distance or great amount.
  〈非正式〉远距离；大量
  the new range puts them light years ahead of the competition
  新产品系列让他们在竞争中遥遥领先。
  Example sentencesExamples
  Experience-wise, Norton was light years ahead of most college freshmen.
  It's also light years beyond anything you'll read on this topic in the newspapers tomorrow.
  Defensively, they are light years ahead of where they were last season.
  In St Lucia she's not only unbeatable but light years ahead of the competition.
  It may not be the greatest show on earth, but it will be smooth, stylish and light years ahead of that old-fashioned show on the canvas screen.
  In some ways, there are breeds of gull and sea bird who are light years ahead of us on the long-term commitment front and don't seem to have the same issues that we do.
  Philosophically, we are now light years away from the era in which John F. Kennedy made his plea for separation of politics and faith.
  When completed, this phylogeny will push plants light years ahead of animals as subjects of macroevolutionary study.
  If you can teach your players the proper footwork, you'll be light years ahead of the pack.
  The physicality and skill levels of both sides were simply light years ahead of anything that the home-based sides had to offer.
  It is incomprehensible that a few hundred yards of track cannot be laid across Bradford, which is light years behind cities such as Leeds, Sheffield and Manchester.
  The rugby world has moved light years from the sort of brute strength tactics that England deployed in this year's Six Nations and alternatives are available.
  The UK is light years ahead of New Zealand in terms of planning for the extra demand for cancer services we are facing.
  He is the textbook on boxing, did everything perfect and was light years ahead of his time.
  The standard of director to be found in the country's boardrooms is light years ahead of the small - town businessmen who formerly ruled the roost.
  Her passion to small business and her guts puts her light years ahead of her age.
  These two companies are light years ahead of their European counterparts.
  Problem is they are all light years ahead of other local competitors and have little or no competition.
  This is where sports such as diving and trampoline are light years ahead of gymnastics in terms of an accurate ranking system.
  You have obviously raised the bar higher yet again and put your newspaper light years ahead of the rest.

Definition of light year in US English:

light year

nounˈlīt ˈˌyi(ə)rˈlaɪt ˈˌjɪ(ə)r

Astronomy

1A unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 × 10¹² km (nearly 6 trillion miles).
〔天文〕光年
Example sentencesExamples
- If a star exploded a light year away, the increased cosmic ray intensity could have killed the animals by giving them all an intense dose of radiation.
- A light year is a convenient means of distance measurement because conventional means in miles or kilometers is so large as to thwart true appreciation.
- Superclusters are known with sizes as large as 300 million light years, containing as much as 10 solar masses of material.
- In theory there should be no intelligent species within a million light years the solar system.
- Neutrinos are ghostly particles that can travel through a light year of lead and they have no problem escaping directly from the core of a supernova.
1. 1.1informal A long distance or great amount.
  〈非正式〉远距离；大量
  the new range puts them light years ahead of the competition
  新产品系列让他们在竞争中遥遥领先。
  Example sentencesExamples
  It may not be the greatest show on earth, but it will be smooth, stylish and light years ahead of that old-fashioned show on the canvas screen.
  When completed, this phylogeny will push plants light years ahead of animals as subjects of macroevolutionary study.
  This is where sports such as diving and trampoline are light years ahead of gymnastics in terms of an accurate ranking system.
  He is the textbook on boxing, did everything perfect and was light years ahead of his time.
  The physicality and skill levels of both sides were simply light years ahead of anything that the home-based sides had to offer.
  These two companies are light years ahead of their European counterparts.
  You have obviously raised the bar higher yet again and put your newspaper light years ahead of the rest.
  Experience-wise, Norton was light years ahead of most college freshmen.
  In some ways, there are breeds of gull and sea bird who are light years ahead of us on the long-term commitment front and don't seem to have the same issues that we do.
  Problem is they are all light years ahead of other local competitors and have little or no competition.
  The UK is light years ahead of New Zealand in terms of planning for the extra demand for cancer services we are facing.
  Defensively, they are light years ahead of where they were last season.
  It is incomprehensible that a few hundred yards of track cannot be laid across Bradford, which is light years behind cities such as Leeds, Sheffield and Manchester.
  Philosophically, we are now light years away from the era in which John F. Kennedy made his plea for separation of politics and faith.
  It's also light years beyond anything you'll read on this topic in the newspapers tomorrow.
  The rugby world has moved light years from the sort of brute strength tactics that England deployed in this year's Six Nations and alternatives are available.
  If you can teach your players the proper footwork, you'll be light years ahead of the pack.
  Her passion to small business and her guts puts her light years ahead of her age.
  In St Lucia she's not only unbeatable but light years ahead of the competition.
  The standard of director to be found in the country's boardrooms is light years ahead of the small - town businessmen who formerly ruled the roost.

单词	light year
释义	Definition of light year in English: light year noun Astronomy 1A unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 × 10¹² km (nearly 6 million million miles). 〔天文〕光年 Example sentencesExamples Superclusters are known with sizes as large as 300 million light years, containing as much as 10 solar masses of material. In theory there should be no intelligent species within a million light years the solar system. Neutrinos are ghostly particles that can travel through a light year of lead and they have no problem escaping directly from the core of a supernova. A light year is a convenient means of distance measurement because conventional means in miles or kilometers is so large as to thwart true appreciation. If a star exploded a light year away, the increased cosmic ray intensity could have killed the animals by giving them all an intense dose of radiation. 1.1informal A long distance or great amount. 〈非正式〉远距离；大量 the new range puts them light years ahead of the competition 新产品系列让他们在竞争中遥遥领先。 Example sentencesExamples Experience-wise, Norton was light years ahead of most college freshmen. It's also light years beyond anything you'll read on this topic in the newspapers tomorrow. Defensively, they are light years ahead of where they were last season. In St Lucia she's not only unbeatable but light years ahead of the competition. It may not be the greatest show on earth, but it will be smooth, stylish and light years ahead of that old-fashioned show on the canvas screen. In some ways, there are breeds of gull and sea bird who are light years ahead of us on the long-term commitment front and don't seem to have the same issues that we do. Philosophically, we are now light years away from the era in which John F. Kennedy made his plea for separation of politics and faith. When completed, this phylogeny will push plants light years ahead of animals as subjects of macroevolutionary study. If you can teach your players the proper footwork, you'll be light years ahead of the pack. The physicality and skill levels of both sides were simply light years ahead of anything that the home-based sides had to offer. It is incomprehensible that a few hundred yards of track cannot be laid across Bradford, which is light years behind cities such as Leeds, Sheffield and Manchester. The rugby world has moved light years from the sort of brute strength tactics that England deployed in this year's Six Nations and alternatives are available. The UK is light years ahead of New Zealand in terms of planning for the extra demand for cancer services we are facing. He is the textbook on boxing, did everything perfect and was light years ahead of his time. The standard of director to be found in the country's boardrooms is light years ahead of the small - town businessmen who formerly ruled the roost. Her passion to small business and her guts puts her light years ahead of her age. These two companies are light years ahead of their European counterparts. Problem is they are all light years ahead of other local competitors and have little or no competition. This is where sports such as diving and trampoline are light years ahead of gymnastics in terms of an accurate ranking system. You have obviously raised the bar higher yet again and put your newspaper light years ahead of the rest. Definition of light year in US English: light year nounˈlīt ˈˌyi(ə)rˈlaɪt ˈˌjɪ(ə)r Astronomy 1A unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 × 10¹² km (nearly 6 trillion miles). 〔天文〕光年 Example sentencesExamples If a star exploded a light year away, the increased cosmic ray intensity could have killed the animals by giving them all an intense dose of radiation. A light year is a convenient means of distance measurement because conventional means in miles or kilometers is so large as to thwart true appreciation. Superclusters are known with sizes as large as 300 million light years, containing as much as 10 solar masses of material. In theory there should be no intelligent species within a million light years the solar system. Neutrinos are ghostly particles that can travel through a light year of lead and they have no problem escaping directly from the core of a supernova. 1.1informal A long distance or great amount. 〈非正式〉远距离；大量 the new range puts them light years ahead of the competition 新产品系列让他们在竞争中遥遥领先。 Example sentencesExamples It may not be the greatest show on earth, but it will be smooth, stylish and light years ahead of that old-fashioned show on the canvas screen. When completed, this phylogeny will push plants light years ahead of animals as subjects of macroevolutionary study. This is where sports such as diving and trampoline are light years ahead of gymnastics in terms of an accurate ranking system. He is the textbook on boxing, did everything perfect and was light years ahead of his time. The physicality and skill levels of both sides were simply light years ahead of anything that the home-based sides had to offer. These two companies are light years ahead of their European counterparts. You have obviously raised the bar higher yet again and put your newspaper light years ahead of the rest. Experience-wise, Norton was light years ahead of most college freshmen. In some ways, there are breeds of gull and sea bird who are light years ahead of us on the long-term commitment front and don't seem to have the same issues that we do. Problem is they are all light years ahead of other local competitors and have little or no competition. The UK is light years ahead of New Zealand in terms of planning for the extra demand for cancer services we are facing. Defensively, they are light years ahead of where they were last season. It is incomprehensible that a few hundred yards of track cannot be laid across Bradford, which is light years behind cities such as Leeds, Sheffield and Manchester. Philosophically, we are now light years away from the era in which John F. Kennedy made his plea for separation of politics and faith. It's also light years beyond anything you'll read on this topic in the newspapers tomorrow. The rugby world has moved light years from the sort of brute strength tactics that England deployed in this year's Six Nations and alternatives are available. If you can teach your players the proper footwork, you'll be light years ahead of the pack. Her passion to small business and her guts puts her light years ahead of her age. In St Lucia she's not only unbeatable but light years ahead of the competition. The standard of director to be found in the country's boardrooms is light years ahead of the small - town businessmen who formerly ruled the roost.
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