例句
英语四级真题
  • But steamships didn't lose their sails until the 1880s, because early marine engines had a nasty habit of breaking down.
    出自-2014年6月阅读原文
  • Until ships became large enough (and engines small enough) to mount two engines side by side, they needed to keep sails
    出自-2014年6月阅读原文
柯林斯高阶英汉双解学习词典释义