英语词汇whir的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	whir
词根词缀	Online Etymology Dictionary whir v. c.1400, Scottish, "fling, hurl," probably from Old Norse hvirfla, frequentative of hverfa "to turn" (see wharf). Compare Danish hvirvle, Dutch wervelen, German wirbeln "to whirl." Related: Whirred; whirring.
随便看	exter- exter-, extra-, extro- exterior exterminate extermination exterminator extern external externality externalization externalize exterritorial exterritoriality extinct extinction extinguish extinguisher extirp- extirpate extirpation extol extoll extorioner extort extortion

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