| 释义 |
plunger
UK ['plʌn.dʒər] US [-dʒɚ] noun countable
■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 （疏通管道的）搋子；装有把手的吸盘
■a part of a device which you push down into it （装置的）活塞，柱塞•He pressed down the plunger of his cafetiere.他压下了咖啡壶的活塞。 |