comet

詞型變化：

英文解釋：

名詞 comet:

1. (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit

相關對話：

1. Their memory wasn't very good when it came to recalling other things, but they remembered the comet.
   一談到別的事情時，他們的記性並不是很好，但他們卻記得彗星。
2. If I had binoculars, I could see that comet clearly.
   如果我有望遠鏡，我就可以清楚地看見那顆彗星。
3. A comet is at perihelion when it is closest (=very close) to the sun.
   彗星最接近太陽時，它就是在近日點。
4. Comets move around the sun like planets, but in long oval course.
   彗星象行星一樣繞太陽運轉，然而其軌道呈狹長的橢圓形。