suction [ˈsʌkʃən]

例句:

• Vacuum cleaners work by suction.
  真空吸尘器靠抽吸除尘。
  来自《权威词典》
• Michael was showing the nurse how to suction his saliva.
  迈克尔正给护士示范如何把他的唾液吸出来。
  
• Some pumps works by suction.
  有些泵是用吸力工作的.
  
• He applied suction to his nipples but that failed.
  来自SA
• It is filled with tiny nodes, like suction cups.
  来自NEWYORKER
• Clean rooms often work with suction systems.
  来自BBC