ump中文解释
vt,打气；用抽水机抽…,同近 vt,打气；用抽水机抽…,同近的英语怎么说
pump例句It's not enough to get rid of raw sewage by pumping it out to sea..仅用水泵将未经处理的污水排入海中是不够的。
pump英语解释打气；用抽水机抽…英释vvTo pump a liquid or gas in a particular direction means to force it to flow in that direction using a pump
pump短语和解释heat pump,热泵，蒸汽泵.短语
