英语释义
1
n a mechanical device that moves fluid or gas by pressure or suction
2
n the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body
3
n a low-cut shoe without fastenings
4
v operate like a pump; move up and down, like a handle or a pedal
6
v draw or pour with a pump
7
v supply in great quantities
10
v raise (gases or fluids) with a pump
11
v question persistently