plunger [ˈplʌndʒə(r)]

以下由轻松背单词网站提供

单词级别

扩展级

基本释义

n.跳水的人，活塞

英英释义

a suction device consisting of a cup-shaped piece of rubber on the end of a stick , used to get rid of things that are blocking pipes

参考例句

The plunger retraced at once.柱塞即缩回。
The solenoid plunger pulls the vent valve down,blocking off the passage to the charcoal canister.电磁柱塞拉下通气阀，堵住通向活性碳罐的通路。

plunger [ˈplʌndʒə(r)]

单词级别

基本释义

英英释义

参考例句

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