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TOEFL IELTS BNC: 5127 COCA: 5952
valve
vælv vælv
Word forms: plural valves
1 N-COUNT ;活门 A valve is a device attached to a pipe or a tube which controls the flow of air or liquid through the pipe or tube. ;活门
2 N-COUNT (心脏的)瓣,瓣膜 A valve is a small piece of tissue in your heart or in a vein which controls the flow of blood and keeps it flowing in one direction only. (心脏的)瓣,瓣膜
  • He also has problems with a heart valve.

    他的一个心瓣也有毛病。

3 See also: safety valve 
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