suction [ˈsʌkʃn]

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单词级别

扩展级

基本释义

n.吸，吸入，汲水管；v.抽吸，吸出

英英释义

when air is removed from a space resulting in a lower pressure in that space , either causing liquid , gases or other substances to enter , or causing two surfaces to stick together

参考例句

Vacuum cleaners work by suction.真空吸尘器靠抽吸除尘。
Some pumps works by suction.有些泵是用吸力工作的。

suction [ˈsʌkʃn]

单词级别

基本释义

英英释义

参考例句

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