来自拉丁语 sugere,吮吸，吸食，词源同 suck.-ct,过去分词格，-ion,名词后缀。引申词义抽吸， 吸出。

1. 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。

2. Vacuum cleaners work by suction.

真空吸尘器靠抽吸除尘。

3. Some pumps works by suction.

有些泵是用吸力工作的.

4. Dustbags act as a filter and suction will be reduced if they are too full.

集尘袋起着过滤的作用，所集的灰尘太多时其吸附作用就会减小。

5. If the teat enters the cup, the suction of the milking machine ensures that it becomes attached.

乳头进入奶杯后，吸奶器的吸力能确保乳房吸附在上面。