柯林斯詞典plunger /?pl?nd??/ (plungers) 1. N-COUNT A plunger is a device for clearing waste pipes. It consists of a rubber cup on the end of a stick which you press down several times over the end of the pipe. (疏通管道用的)搋子 返回 plunger劍橋詞典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,裝有把手的吸盤(pán) a part of a device that you push down into it (裝置的)活塞,柱塞 He pressed down the plunger of his cafetière . 他壓下了咖啡壺的活塞。 返回 plunger