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- That comet is invisible to the unaided eye. 那颗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. 彗星最接近太阳时,它就是在近日点。
- Despite its flimsiness, Tempel 1 has an almost planetlike surface, covered with what appear to be impact craters (the first ever observed on a comet), cliffs, and distinct layers. 除了结构松散之外,谭普一号有著近乎行星般的表面,其上满布著像是冲撞后所留下的坑洞(这在彗星上是首次被观察到)、断崖和多层次结构。
- If I had binoculars, I could see that comet clearly. 如果我有望远镜,我就可以清楚地看见那颗彗星。
- The comet's ice, heated by the sun, rapidly and spectacular 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。
- These pictures of comet Tempel 1 were taken by NASA's Hubble Space Telescope. They show the comet before and after it ran over NASA's Deep Impact probe. 这是由哈勃太空望远镜拍摄的一组撞击前后坦普尔1号彗星图片,点击后放大可显示高分辨率图片。
- This image shows the view from Deep Impact's probe 90 seconds before it was pummeled by comet Tempel 1. The image was taken by the probe's impactor targeting sensor. 这张坦普尔1号彗星图片是撞击器上的目标传感器在撞击前90秒拍摄的。
- Tuttle laced his fingers behind his head. 塔特尔叉起手指抱着后脑勺。
- The central portion of the head of a comet. 彗核彗星头部的中心部分
- Why else might the comet have come undone? 是什么导致了慧星的灭亡?
- Halley's comet calls on the earth every 76 years. 哈雷彗星每76年造访地球一次。
- The comet passed by in the twinkling of an eye. 俯仰之间,流星闪过。
- Halley's comet visits the Earth once in 76 years. 哈雷彗星每七十六年经过地球一次。
- In that way, Pluto acts like a comet. 也就是说,冥王星的行为像一个彗星。
- Some people feel that this light was a comet. 一些人认为这种光是一种慧星。
- I can hardly wait to see the new comet. 我急不可待地要见到新彗星的出现。
- The comet will appear in the southern sky. 彗星出现在南方的天空。
- The car ran off the road and turned tuttle in the ditch. 汽车冲出公路,翻倒在沟里。
- The USS Robert C. Tuttle torpedoed and burning, 1942. 1942年,美国罗伯特C杜特尔被鱼雷击中,并起火燃烧。
- The flames burned brightly like a comet's tail. 火焰燃烧得十分明亮,好像彗星的尾巴。