• 基础释义
  • 例句
  • 柯林斯词典释义
例句
柯林斯高阶英汉双解学习词典释义
  • N-VAR
    扩张;扩充;扩大;发展
    Expansion is the process of becoming greater in size, number, or amount.
    例句
    ...the rapid expansion of private health insurance. 个人健康保险的迅速发展 ...a new period of economic expansion... 经济发展的新时期