Hand valve
[化] 手动阀门
🧩 词语组成解析
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
All right.
很正确。
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
The one near the school. It sells books and things like that.
就是学校附近的那个。卖书之类的东西。