valve
US /vælv/
UK /vælv/

名词
1.
2.
瓣膜
a flap of tissue in the heart or a vein that prevents blood from flowing backward
示例:
•
The heart has four valves that ensure blood flows in one direction.
心脏有四个瓣膜,确保血液单向流动。
•
A damaged heart valve can lead to serious health problems.
受损的心脏瓣膜可能导致严重的健康问题。
在 Lingoland 学习这个单词