Reversing pump
[化] 换向泵
🧩 词语组成解析
a. 回动的\\n[化] 换向
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
OK, just a second.
好了！请稍等一下。
The houses downtown are very expensive.
市区的房子很贵。
Don't you usually come to school by bike?
你不是常骑自行车到学校吗？