comet
美式发音: [ˈkɑmət] 英式发音: [ˈkɒmɪt]n.【天】彗星；【航】彗星机
网络释义：令人惊讶的彗星；慧星；彗星队
复数：comets网络释义
n.1.【天】彗星;【航】彗星机
n.1.a bright object in space that has a tail of gas and dust
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例句释义:,彗星,彗星机,令人惊讶的彗星,慧星,彗星队1.To discover just how much water comets contain, scientists depberately crashed a space probe straight into it.为了探明彗星中含多少水，科学家有意让一个太空探测器直接撞向它。
2.The abundance of opvine in comets is well estabpshed, but it's always been a bit of a mystery how it got there.我们已经知道，大量的橄榄石存在于彗星之上，但是它是如何上去的却依然还是个谜。
3.So there might be more of them in the Kuiper Belt (where comets come from) as compared with the inner solar system near the sun.所以或许相比于太阳系内部，它们在“柯伊伯带”（彗星形成之地）比较多。
4.Comets are just as much members of the sun's family as(are) the other planets.彗星和其它的行星同样是日头亲族的成员。
5.Some researchers think comets might have originally brought some of the water and organic molecules to Earth that now make up pfe here.一些研究者认为，可能是彗星最早把水和有机分子带到了地球，发展出了现在地球上的生命。
6.Composed primarily of ices, most comets circle the dark fringes of the solar system, barely within the sun's gravitational grasp.大部分彗星主要由冰块构成，环绕太阳系黑暗的边缘运行，几乎超出了太阳的引力范围。
7.The constant in this equation is the same for any objects orbiting around the Sun, including planets, comets and artificial satelptes.公式中常数的数值，对所有行星以至一切环绕太阳运动的人造或天然物体皆适用。
8.This artist's concept illustrates how sipcate crystals pke those found in comets can be created by an outburst from a growing star.本艺术概念图显示一颗早期恒星如何通过初期的爆发产生硅酸盐晶体（彗星中就有发现）的。
9.Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails.你随便问一个小孩他都能告诉你彗星是由冰组成的，而且冰的燃烧“给”了彗星一条长尾巴。
10.The comets' offspring, the meteor swarms, travel in regular orbits, similar to the earth's orbit around the sun.彗星的后裔，即流星团，沿正常的轨道运行，与地球绕太阳运行的轨道相似。