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
Don't forget Susan.
别忘了Susan。
It is a small flock that has not a black sheep.
家家难免有败类。
I'm rich, so I can buy myself lots of good things!
“我很富，所以我能给自己买许许多多的好东西！”