Earth-moon的例句（Earth-moon在句子中的用法）

• ...dangerous levels of pollution in the Earth's atmosphere... 地球大气层污染程度严重
• The roots anchor the plant in the earth... 根部使植物固定在土壤中。
• 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。