cannon projectile

英 美
  • 加农炮弹
  • cannon n.大炮;机关炮v.开炮;相撞
  • projectile n.发射体;抛射物(尤指子弹、炮弹)adj.发射的;向前开进的;〈动物学〉(触角)可伸出的
    1. Like musket balls and cannon balls dropped from the Tower, the Earth and Moon are made of a different mix of elements, and they have different masses.
      就象从塔上扔下的滑膛枪弹和加农炮弹一样,地球和月球是由不同元素混合而成的,它们有不同的质量。