n. 彗星( comet的名词复数 )
网络 令人惊讶的彗星; 慧星; 彗星队
As comets go, it is a whopper.
在彗星里,它可算是个庞然大物。
Comets are similar in composition to the gas giants.
彗星在组成上与气态巨行星相似。
Comets were formed around the same time the Earth was formed.
彗星与地球大约同时形成。
Loose collections of these ices and small rocky particles form into comets.
这些冰和小岩石粒的松散集合形成了彗星。
So to talk about where meteorites come from, we need to talk about comets and asteroids.
那么讲到流星体从何而来,我们就需要讨论下彗星和小行星。