例句
英语六级真题
  • The children of the study are now adults in their thirties.
    2016年6月六级真题(第一套)听力 Section C
  • The children who had the lowest self-control when they were age three to ten, later on had the most health problems in their thirties, and they had the worst financial situation.
    2016年6月六级真题(第一套)听力 Section C
柯林斯高阶英汉双解学习词典释义
英英词典释义
  • Noun
    1. the time of life between 30 and 40
    2. the decade from 1930 to 1939