compulsory

英文释义

• ★ 强制的；必须做的；义务的：

  • a compulsory subject

    必修科目

  • compulsory education

    义务教育

  • It is compulsory for winners to be tested but other players are only tested at random.

    获胜者是必须要检测的，而其他选手则是抽检。