Hand pump
[化] 手动泵; 手摇泵
🧩 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;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
I researched it for over a year.
我研究了一年多。
Son! Don't make suck a noise when you eat.
儿子，吃饭的时候不可以发出声音。
However, they have decided to use the post office.
然而她们还是决定利用邮局。