1. 【解、动】瓣，瓣膜
2. 贝壳
3. 活栓
4. 真空管
5. 【机】阀，活门
6. 汽门
7. 壳瓣
8. 【植】荚片
9. 裂片
10. 【建】门的一扇
11. 【无线电】电子管

1. 装阀（于）
2. 以活门调节， 用阀调节

1. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it

2. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone

3. control consisting of a mechanical device for controlling the flow of a fluid

4. the entire one-piece shell of a snail and certain other molluscs

5. one of the paired hinged shells of certain molluscs and of brachiopods

1.阀;活门
Avalve is a device attached to a pipe or a tube which controls the flow of air or liquid through the pipe or tube.

2.（心脏的）瓣，瓣膜
Avalve 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.

e.g. He also has problems with a heartvalve.
他的一个心瓣也有毛病。

3. see also: safety valve

1. valve在线翻译

1. 汽门：因为发动机长时间停止, 起润滑作用的机油会因地心引力而往下流到发动机底部, 发动机在冷车启动时, 位于发动机顶部的凸轮轴(CAM)及汽门(valve)润滑较不足, 所以磨损较大.