英语词汇invalidation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	invalidation
词根词缀	Online Etymology Dictionary invalidation n. 1771, noun of action from invalidate, v..
随便看	hector Hecuba hedge hedgehog hedgerow hedonism hedonist negatron negentropy neglect neglected neglectful neglection negligee negligence negligent negligible neg-, ne- negotiable negotiate negotiation negotiator Negress negress negrification

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