prolapse /ˈprəʊlæps, prəʊˈlæps/ ( prolapsing, prolapsed, prolapses )

• 1. 

  N-VAR A prolapse is when one of the organs in the body moves down from its normal position. 下垂 [医学]

• 2. 

  V-I If an organ in someone's body prolapses, it moves down from its normal position. 下垂 [医学]

  例：

  Sometimes the original abortion was done so badly that the uterus prolapsed.

  有时最初的流产手术做得太糟糕，会引起子宫下垂。