Polymer pump
[化] 聚合泵
🧩 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
They're so thoughtful.
他们真周到。
I'm receiving guests downstairs.
我在楼下接见客人。
No, I'm sorry. It wasn't.
抱歉，没有。