您要查找的是不是：
- That comet is invisible to the unaided eye. 那顆彗星只用肉眼是看不到的。
- A comet is at perihelion when it is closest (=very close) to the sun. 彗星最接近太陽(yáng)時(shí)，它就是在近日點(diǎn)。
- 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(jiàn)那顆彗星。
- The comet's ice, heated by the sun, rapidly and spectacular sublimate to gas. 彗星上的冰塊在太陽(yáng)熱的作用下迅速而壯觀(guān)地升華成氣體。
- The central portion of the head of a comet. 彗核彗星頭部的中心部分
- Why else might the comet have come undone? 是什么導致了慧星的滅亡?
- Halley's comet calls on the earth every 76 years. 哈雷彗星每76年造訪(fǎng)地球一次。
- The comet passed by in the twinkling of an eye. 俯仰之間，流星閃過(guò)。
- Halley's comet visits the Earth once in 76 years. 哈雷彗星每七十六年經(jīng)過(guò)地球一次。
- In that way, Pluto acts like a comet. 也就是說(shuō)，冥王星的行為像一個(gè)彗星。
- Some people feel that this light was a comet. 一些人認為這種光是一種慧星。
- I can hardly wait to see the new comet. 我急不可待地要見(jiàn)到新彗星的出現。
- The comet will appear in the southern sky. 彗星出現在南方的天空。
- The flames burned brightly like a comet's tail. 火焰燃燒得十分明亮，好像彗星的尾巴。
- Recently we have discovered a comet. 最近我們發(fā)現了。
- Orbits of a comet may be open or close. 粗略來(lái)說(shuō),彗星可以開(kāi)放或封閉式軌道繞日運行。
- Look its eyes. - They are blue like the comet. 瞧他的雙眼。
- With a comet like him, nothing can be accomplished. 有他這顆掃帚星,什么事情都辦不成。
- Comet, please just chill out a little bit, OK? 朋友,冷靜一點(diǎn)好嗎?
- We looked up at the sky and saw the comet. 我們抬頭看天空,看見(jiàn)了彗星。
