| 单词 | plunger |
| 释义 | plunger['plʌndʒə]n. 跳水者, 潜水者, 活塞【电】 活柱 plunger plung.er AHD: [pl¾n“j…r] D.J. [6plJnd9*]K.K. [6plJnd9+]n.（名词）1. One who plunges or dives.跳水者，潜水者2. A device consisting of a rubber suction cup attached to the end of a stick, used to clean out clogged drains and pipes.Also called plumber's helper 手压皮碗泵：由固定在一根棍子末端的橡皮抽吸杯构成的一种装置，用来疏通堵塞的下水道或管道也作 plumber's helper3. A machine part, such as a piston, that operates with a thrusting or plunging movement.撞针杆：一种带有猛烈的冲或扎运动来运作的机器部件，如撞针 |
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