pump fluid

例句：

1. 1. The engineer pumped the fluidinto the tank.
   工程师将液体泵入罐中。
2. 2. The machine is designed to pumpfluids at high pressure.
   这台机器设计用来在高压下泵送液体。
3. 3.The oil was pumped out of thedamaged engine.
   油从损坏的引擎中被泵出。