英语词汇linchpin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	linchpin
词根词缀	词源： late 14c., from M.E. lins "axletree" (from O.E. lynis, from P.Gmc. *luniso) + pin. The peg that holds a wheel on an axle; now mainly figurative.
随便看	optimsm optimum option optional optometer optometrist optometry opulence opulent opus -or or oracle oracular oral orange Orangemen orangutan orate oration orator oratorical oratorio oratory orb

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