suction

名词 suction:

1. a force over an area produced by a pressure difference
2. the act of sucking
   同义词：sucking, suck

动词 suction:

1. remove or draw away by the force of suction
2. empty or clean (a body cavity) by the force of suction

1. Operating by means of suction or by maintaining a partial vacuum.
   抽真空的用吸取的方式或用维持部分真空的方式来运作的
2. Flies' feet stick to surfaces by suction.
   苍蝇的脚借吸力可附着于物体表面上。
3. Some pumps and all vacuum cleaners work by suction.
   有些泵和所有真空吸尘器都是借吸力工作的。