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
I've mailed off several applications for jobs that interest me.
我已经寄出了几份求职材料，应聘我感兴趣的职位。
How many bags are you going to get?
你要取几袋？
Of course.You can pay a deposit of thirty pounds, and then fourteen pounds a month for three years.
当然可以。您可以先付30英镑定金，然后每月14镑，3年付清。