英语词汇crankshaft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	crankshaft
词根词缀	词源： 1854, from crank + shaft. The basic form of the mechanism appears to date from Roman times.
随便看	optician optics optimal optimism optimist optimistic optimize optimsm optimum option optional optometer optometrist optometry opulence opulent opus -or or oracle oracular oral orange Orangemen orangutan

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