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英英词典释义
  • Noun
    1. an abnormal condition in which a normal opening or tube in the body (as the urethra) is closed or absent
行业词典
  • 医学: 闭锁,无孔,不通:正常身体的孔或管道器官的先天性缺失或关闭,如食管闭锁和左心房闭锁;
    药学: 闭锁;