单词	plunger
释义	plungerplung‧er /ˈplʌndʒə $ -ər/ noun [countable] Examples EXAMPLES FROM THE CORPUS His left index finger pressed firmly on the telephone plunger as if he were extinguishing a burning cigarette. How can a sink plunger be so horrific? word sets WORD SETS► Engineering boiler, nouncamshaft, nounchuck, nouncollar, nounconsole, nouncylinder, noundecompress, verbdiggings, noundrag, nounengagement, nounengine, nounengineer, nounengineer, verbexhaust, nounhydraulics, nounlubricant, nounlubricate, verbmetal fatigue, nounperformance, nounpipe fitter, nounpipeline, nounpiston, nounplunger, nounregulator, nounrig, nounrivet, verbrotary, adjectivesafety valve, nounseparator, nounshaft, nounshockproof, adjectivesparking plug, nounspark plug, nounspindle, nounstarter, nounstreamline, verbtheodolite, nountorsion, nountruss, nountune, verbtune-up, nountunnel, verbturboprop, nounwind tunnel, noun 1a tool for clearing waste that is blocking a kitchen or bathroom pipe. It consists of a straight handle with a rubber cup on the end.2 technical a part of a machine that moves up and down
随便看	underwhelm underworld underwrite underwriter Underwriters' Laboratories undeserved undesirable undetected undeterred undeveloped undid undies undifferentiated undignified undiluted undiminished undischarged undisclosed undiscriminating undisguised undismayed undisputed undisturbed undivided undo

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