earth

• The earth rotates once a day on its axis .
  地球绕它的自转轴一天旋转一周。
• I am not yet one of the salt of the earth .
  我还没有出人头地。
• Where on earth have we fetched up now ?
  我们现在究竟到哪里了？
• Jupiter is unlike the earth in almost every way .
  木星与地球几乎完全不同。
• How on earth could i have made so grave a mistake ?
  我怎么会犯如此大错呢？
• Yours is the most populous country on earth .
  你们是世界上人口最多的国家。
• The rest of the apparatus is at earth potential .
  装置的其余部分全都接地。
• Tread the earth down around the roots .
  把根部周围的泥土踩实。
• Swallows carry bits of earth in their bills to build nests .
  燕子衔泥筑窠。
• A deep hole in the earth gaped before us .
  在我们面前的地上裂开着一个深坑。