橘子朗文词典

deep space

D 开头单词

同根派生

     

英汉例句

  • One of the US astronauts who made the first deep space walk on the moon dropped a hammer and a feather together.
    一位首次在月球上进行太空行走的美国宇航员让一把锤子和一根羽毛一齐落下。