Hand pump
01
手动泵, 手压泵
a manually operated pump used to draw liquids, typically water or beer, by applying physical force
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
hand pumps
例子
He installed a hand pump in his backyard for emergency use.
他在后院安装了一个手动泵以备紧急使用。
