Combination pump
[化] 复合泵
🧩 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
We have vegetables to prepare.
我们还得准备蔬菜。
A good beginning is half done.
良好的开端，就是成功了一半。
The teacher gives one of them an eraser.
教师给其中一人一块橡皮擦。