英语释义

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

片语

comet appearance慧星状模样

Air CometAir Comet (formerly Air Plus Comet) was an airline based in Madrid, Spai"Oficinas Centrale

comet donati(Solution using the Solar System Barycenter and barycentric coordinate Select Ephemeris Type:Elements and Center:@0)

Comet KohoutekComet Kohoutek, formally designated C/1973 E1, 1973 XII, and 1973f, was first sighted on 7 March 1973 by Czech astronomer Lubo? Kohoutek. It attained perihelion on 28 December that same year.

comet mothThe Comet moth (Argema mittrei) or Madagascan moon moth is an African moth, native to the rain forests of Madagascar. The male has a wingspan of twenty centimeters and a tail span of fifteen centimeters, making it one of the world's largest silk moth

Comet Impact陨石恶梦

comet shape彗星形状

Red Comet红色流星

Comet Lulin鹿林彗星

英汉例句

• this was of only passing interest until someone realized that earth would pass through the tail of halley「s comet in 1910.

  当有人认识到地球可能将会在1910年被彗星尾巴扫到后，这一事件成了盛极一时的话题。

• another obvious question is whether there」s any evidence of comparable comet storms — and therefore conditions favorable to life — in other young solar systems.

  另一个显然易见的问题是：在其他年轻的恒星系统里，是否还有其他有利于生命形成的彗星「风暴」的证据。

• in these photographs released by nasa september 9, 2010, a fleeting bright dot on each of these images of jupiter marks a small comet or asteroid burning up in the atmosphere.

  这是美国航天局于2010年9月9日发布的两张照片，照片中的亮点是小彗星或小行星进入木星大气层时发生燃烧的情景。

• a comet is an icy body that releases gas or dust.

  彗星是一个释放着气体和尘埃的冰质天体。

• many scientists believe the earth suffered a direct hit from an asteroid or that a comet could be to blame for the extinction.

  许多科学家认为，地球遭受小行星或彗星的直接撞击可能是恐龙灭绝的原因。

• because comets are largely ice made up of frozen water and gases, a comet striking earth then would have vaporized.

  由于彗星主要是由冻结的水和气体组成的冰，撞击地球的彗星将会蒸发。

• scientists used the mothership of nasa「s recycled deep impact comet probe to look at light reflected off earth, the moon and mars.

  科学家们利用美国宇航局可回收的「深度撞击」彗星探测器的母船，来观测地球、月球和火星的反射光。

• the square windows on the original comet jetliner were found to be the primary cause of its disintegration.

  原彗星喷气式航空班机的方形窗被发现是其碎裂的主要原因。

• it is a wonder that the comedy of this life escapes us. but it would take a comet striking the earth to shake us from our comic and absurd ways.

  真不敢相信，这种生活的喜剧居然没有引起我们的注意，但是要想让我们摆脱滑稽而荒唐的生活方式，那得要有彗星撞地球那样的事情发生。

• but now astronomers have gotten a glimpse of a comet with a different origin, and it matches the oceans much better.

  但是现在天文学家们得以观测一颗来自不同地区的彗星。它的化学成分比例和海水非常吻合。

• it」s not fireworks night yet - but a spectacular explosion has lit up the night sky after a giant comet smashed into the sun.

  这不是夜晚绚烂的烟花，其实是一个肉眼可以看到的巨大的彗星撞向太阳的瞬间，光亮点燃了整个夜晚。

• this occurs when the comet dives close to the sun and earth passes through the resulting thick concentration of cosmic debris.

  彗星在靠近太阳的地方俯沖留下了浓厚的宇宙尘埃，地球穿过这些尘埃产生了「流星风暴」。

• but how do astronomer detectives know if an impact is caused by a comet or asteroid?

  但是天文学家是怎样区分某次撞击是到底彗星造成的还是小行星造成的呢？

• maybe, the researchers say, that「s because the oceans have an extra dose of melted comet ice.

  研究人员说，也许这是因为海洋有着彗星上的冰融化而来的水。

• these findings have led to claims that a 2.5mile long comet or asteroid smashed into the ice sheet covering what is now canada and the northern us.

  这些发现得出了这样一个结论，即2.5英里长的彗星或者小行星猛烈撞击了现今加拿大和美国北部覆盖的冰层。

• of the millions who saw haley’s comet in 1986, how manypeople will live long enough to see it return in the twenty-firstcentury.

  1986年看见哈雷慧星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪的回归呢？

• perhaps we」ll fail to mitigate the threat posed by asteroid and comet collisions.

  我们也许会没能成功地减轻小行星和彗星碰撞所带来的威胁。

• as the comet nears the sun, its ice melts, releasing gas and dust that stream away into space.

  当彗星靠近太阳时，它的冰层融化，释放的气体和尘埃远远地飘向太空。

• that’s why comet tails always point away from the sun.

  这就是为什么彗星总是面向太阳拖着尾巴。

• they show that the comet is propelled by jets spewing gases.

  他们表明，这些彗星是通过喷出气体获得能量来前进的。

• between the threats of comet and weevils, the farmers were running low on optimism.

  面对着彗星和棉铃象甲的双重威胁,农场主们都一筹莫展。