comet是什麼意思_音標_用法_例句

簡單釋義：

n. 彗星；掃帚星

網絡 慧星；科密；彗星狀軌跡圖

變形：

複數：comets  

完整釋義：

n.

1.慧星
2.彗形物
3.【天文學】彗星;【航空】彗星機

例句：

1. The first human inhabitants of North America may not have exterminated the mammoths. The culprit might have been a comet.
   北美洲最早的人類可能不是滅絕猛獁象的兇手。真正的罪犯有可能是一顆彗星。

2. But like the tail of every other comet, Halley's tail is just dust.
   其實，哈雷的彗星與一般的彗星無異，都是由塵埃構成。

3. Thousands of chunks of material from the comet would have rained down on Earth, each one releasing the energy of a one megaton nuclear bomb.
   無數的大塊彗星碎片雨點般落到地球上，每一個大塊碎片的撞擊都釋放了一個百萬噸級核彈所釋放的能量。

4. Caught on camera over a swamp in Australia the stunning image shows the trail of the Comet Lovejoy as it passed close to Earth.
   這張拍攝於澳洲沼澤上空的照片美得讓人眩暈，照片上顯示着Lovejoy彗星劃落接近地球時發出的光尾。

5. apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun.
   以太陽為中心的最遠點；在天體運行軌道上距離太陽最遠的點。

6. I knew you'd try to find something wrong with my comet, Lisa. You've always been petty and small, right from the beginning.
   我知道你一直在找我彗星的麻煩，麗薩，你剛才真是美麗小巧。

7. If you are fortunate enough to see a comet, don't give it just a casual glance and then vanish indoors.
   倘若你有幸看到彗星，不要隨意掃上一眼就進到屋裡。

8. As a comet gets closer to the sun, the ice on the surface of the nucleus begins turning into gas, forming a cloud known as the coma.
   當彗星接近太陽時，慧核表面的冰便升華成氣體，形成了我們稱為“彗發”的霧狀結構。