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
Help me get this stuff out of the car.
帮我将这些东西拿下车子。
When did you know the answer?
你什么时候知道答案？
Can she type this letter for me?Ask her please.
她能为我打一下这封信吗？请问她。