valve-主題

valve

[valv]

n.瓣膜, 真空管, 閥門, 電子管

例句與用法：

Composed of a single valve or piece. Used of a shell.

單瓣的由單個瓣膜或部分組成的。用於殼

The pump sucks air out (of the vessel) through this valve.

這台泵通過這個閥門把(容器中的)空氣抽出。

We need an eye bolt to fit this valve.

我們需要一個有眼螺栓來固定這個閥門。

Have you turned off the water valve?

你關掉水閥了嗎？

詞形變化：

形容詞: valveless | 動詞過去式: valved | 動詞過去分詞: valved | 動詞現在分詞: valving | 動詞第三人稱單數: valves |

英文解釋:

名詞 valve:

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

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

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

以上來源於大辭典