- 1
The process of removing air (or liquid) from a space to create a difference in pressure, which pulls things in or makes them stick — like a vacuum cleaner using suction to pull in dust, or a suction cup sticking to a wall because the air behind it has been pushed out.
吸力、吸附作用
組成from Latin sugere, to suck, + -tion (the noun ending for an action).
同家族的字
- suckboth relate to the idea of sucking, though suction came into English through Latin
原始詞典資料7 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
suctionnoun/ˈsʌkʃən/
- 1
natural-sciencesphysical-sciencesphysicsA force which pushes matter from one space into another because the pressure inside the second space is lower than the pressure in the first.
- 2
natural-sciencesphysical-sciencesphysicsA force holding two objects together because the pressure in the space between the items is lower than the pressure outside that space.
- 3
The process of creating an imbalance in pressure to draw matter from one place to another.
- The first-named group — the insects that live by suction — include the scale insects, aphides, and sucking bugs[…]
- 4
dentistrymedicinesciencesA device for removing saliva from a patient's mouth during dental operations, a saliva ejector.
- 5
informalinfluence; "pull".
- He's got some kind of suction with the Mayor's office.
suctionverb/ˈsʌkʃən/
- 1
To create an imbalance in pressure between one space and another in order to draw matter between the spaces.
- 2
To draw out the contents of a space.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。