英英释义Noun1. a mechanical device that moves fluid or gas by pressure or suction
2. the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions pump blood through the body;
"he stood still, his heart thumping wildly"
3. a low-cut shoe without fastenings
Verb1. operate like a pump; move up and down, like a handle or a pedal
2. deliver forth;
"pump bullets into the dummy"
3. draw or pour with a pump
4. supply in great quantities;
"Pump money into a project"
5. flow intermittently
6. move up and down;
"The athlete pumps weights in the gym"
7. raise (gases oor fluids) with a pump
8. question persistently;
"She pumped the witnesses for information"