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
My favorite snacks are soda, popcorn and potato chips.
我最喜欢的零食是汽水、爆米花和薯片。
In elementary school,the child learns to read and write.
在小学，孩子学习读写。
The planes had been planting seed for nearly a month when it began to rain.
飞机撒播近一个月后，开始下起雨来。