Manual rotary pump
[化] 手动回转泵
🧩 词语组成解析
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
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
Where drums beat, laws are silent.
战鼓一打，法律无声。
Whose sweaters are these?
这些都是谁的毛衣？