Reserv(ed) pump
[化] 备用泵
🧩 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
I'm very sorry.
非常抱歉。
All measurements of each case must not exceed 1.5m*1m*1m.
每只木箱体积不应超过1。5m*1m*1m。
Every man is fool sometimes, but none at all times.
每个人都有愚蠢的时候，但是没有一个人永远愚蠢。