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
Eight pounds six.
八磅六。
How often did I tell you to take your time?
我告诉你多少次要慢慢来?
The captain of the Elkor ordered his men to salvage as much as possible from the wreck.
“埃尔科”号船长命令船员们尽量从沉船中打捞物品，