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
but there's a letter here addressed to you,
这确实有一封信是寄给你的。
Pick up the receiver and deposit a coin in the slot.
拿起听筒和放一个硬币到投币口。
Then they had a second child-a son. How happy they were!
后来他们有了第2个孩子一个儿子。他们多么高兴啊！