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
about your math teacher or your math homework.
你的数学老师或你的数学作业。
To fly up and away
往上飞走
Every time a worker gave up his job, he told the same story.
每次雇工辞职后都叙述着同样的故事。