彗星

• 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。
• We can see comets only when they come close to the earth
  只有当彗星接近地球时,我们才能看得见它们。
• We can see comet only when they come close to the earth
  只有当彗星接近地球时，我们才能看得见它们。
• Recently they discovered a comet
  最近他们发现了一颗彗星。
• There it is , the comet . see , with the little tail behind it
  就在那儿，彗星看见那个有小尾巴的了吗？
• All right . tell me what a comet is
  好吧,告诉我什么是彗星
• In contrast , spacecraft have flown by comets and asteroids
  相反地我们已经有太空船去观测彗星和小行星。
• The small scale splitting of comet
  波普彗星的小规模分裂
• Once mistaken for a shooting star , the comet gained its name
  它以前曾被误认为是流星这颗彗星得名是由于