suction

例句：

1. 3.
   机器、泵等的
2. 1.The vacuum cleaner sucked up all thedust from the floor.
   吸尘器把地板上所有的灰尘都吸走了。
3. 2. The suction pump isused to remove oil from the engine.
   抽油泵用来从发动机中抽出油。
4. 3. Thevacuum cleaner has a powerful suction pumpthat can suck up even the toughestdirt.
   这个吸尘器有一个强大的抽吸泵，可以吸走最顽固的污垢。