plunger

英 /ˈplʌndʒə(r)/ 美 /ˈplʌndʒɚ/

★★★★中高频词

p开头的单词英语单词大全

中文释义

n.手压皮碗泵，撞针杆，活塞，柱跳水者，潜水者

plunger的英语例句

With the car upside - down, the ball forces the plunger to seat against the guide plate.

当汽车倾倒时, 滚珠迫使柱塞落在支承板上.
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.
The plunger retraced at once.

柱塞即缩回.