Reciprocating pump
[化] 往复泵
🧩 词语组成解析
[医] 交互的, 往复的
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
Oh, hi, darling.
哦， 亲爱的。
Think nothing of it.
别放在心上。
Come to school in your old clothes tomorrow!
明天上学时请穿旧衣服来！