1. suck => suction.
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。
- suction (n.)
- 1620s, "act or process of sucking," from Late Latin suctionem (nominative suctio), noun of action from past participle stem of Latin sugere "to suck" (see sup (v.2)). As "action produced by a vacuum" from 1650s.
- 1. Michael was showing the nurse how to suction his saliva.
- 2. Vacuum cleaners work by suction.
- 3. Some pumps works by suction.
- 4. Dustbags act as a filter and suction will be reduced if they are too full.
- 5. If the teat enters the cup, the suction of the milking machine ensures that it becomes attached.
[ suction 造句 ]