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The orbit of this comet intersects the orbit of the Earth.这颗彗星的轨道与地球的轨道交叉。Astronomers are very excited about a comet that will pass close to Earth later this month.本月晚些时候将有一颗星在地球附近掠过，天文学家非常兴奋。The comet's ices, heated by the sun, rapidly and spectacularly sublimate to gas.彗星上的冰块在太阳热的作用下迅速而壮观地升华成气体。We were not altogether sure that the comet would miss the Earth.我们不能完全肯定彗星不会与地球相撞。A comet blazed across the sky.一彗颗星划过了天空。The comet was formed when a planet broke up at some time in the distant past.彗星是很久以前的行星碎裂而形成的。She was a graceful woman with huge green eyes and hair aflame like a comet's tail.她是个优雅的女人，有着绿色的大眼睛和彗尾一样的鲜红头发。This deviates the orbit of the comet to a very large extent.这使彗星严重偏离了轨道。That comet is invisible to the unaided eye.那颗彗星只用肉眼是看不到的。They called it a comet, for lack of a better term/word. 因为想不出一个更好的术语/词语，他们就叫它彗星了。Astronomers say that over the next few weeks the comet will be coming into view.天文学家说未来几个星期能见到彗星。The comet was at its farthest point from the sun.那颗彗星处在距太阳的最远点。Scientists discovered a new comet.科学家们发现了一颗新的彗星。The comet was on a collision course with the planet.那颗彗星有可能与这颗行星相撞。I caught a fleeting glimpse of the comet.我看见了一闪而过的彗星。An unwary observer could easily mistake this constellation for a comet.粗心的观测者很容易把这个星座误认为是彗星。We stared up at the heavens trying to see the comet.我们仰望天空想看到彗星。Without a telescope, the comet will look like a fuzzy blob.不用望远镜的话，那颗彗星看上去就像一个模糊不清的亮点。 |