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
Can you assist me in this matter?
这件事您能帮助我吗？
Every door may be shut but death's door.
除了死门外，每门都可关。
I go to school by bike every day.
我每天骑自行车上学。