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
in the past few weeks.
在最近几个星期。
The cobbler must stick to his last.
安分守己。
Come on! shouted everyone. Run! Run!
“快！快呀！”每一个人都在喊，“加油！加油！”