例句
英语四级真题
  • Each member volunteered to clean up and to dig in plot, five flats of flowers.
    出自-2013年6月听力原文
英语六级真题
  • Of families earning less than $30,000, 59% of children have done sports, 37% have volunteered and 41 % have taken arts classes.
    2017年6月六级真题(第二套)阅读 Section B
柯林斯高阶英汉双解学习词典释义