| 释义 |
| | | | NOUN usually singular | | | | | | a star and the planets that go round it , especially the Sun and the group of planets that includes the Earth 星系；（尤指）太阳系 | the outer reaches of our solar system 我们太阳系的外部边缘 | | the search for planets in other solar systems 对其他星系中行星的寻找 | | | |