Pump gear
[化] 泵齿轮
🧩 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;
gear
[ɡɪr]
n. 齿轮;排挡;传动装置;衣服 ;
vi. 接上;调和;
vt. 使适应;装上齿轮;用齿轮连接;
🗣️ 情景例句
Did you have a good time today?
今天玩得开心吗？
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
I guess so.
我想是吧。