例句
英语六级真题
  • At the University of Wisconsin-Madison, the gap has been roughly halved over the last three years.
    出自-2011年6月阅读原文
  • This approach has led over time to a fall in smoking with numbers having roughly halved since the 1970s.
    2016年12月六级真题(第三套)阅读 Section C
柯林斯高阶英汉双解学习词典释义