| 释义 |
| | | | NOUN | | | | | 1 | C the distance that light travels in a year , used as a unit for measuring distances in space 光年 | | | | 2 | light years plural informal a very long way in time , distance , or quality 很长时间；极远的距离；反差极大的特性 | Her life in Hollywood was light years away from her childhood in the East End of London. 她在好莱坞的生活与她童年时在伦敦东区的生活有着天壤之别。 | | | |