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
You'll feel better after a good night's sleep.
你好好睡上一觉就会好些。
I know him not should I meet him in my pottage dish.
酒肉之交非朋友。
Which seasons do you like best?
你最喜欢哪些季节？