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
I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
No. It's only a five-minute walk.
不远，只要走5分钟。
What's that over there?
那边的是什么呀？