英语词汇unfasten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	unfasten
词根词缀	Online Etymology Dictionary unfasten v. early 13c., from un-(2) "opposite of" + fasten. Old English had unfæstnian "to unfasten." Related: Unfastened; unfastening.
随便看	salud salutary salutation salutatorian salutatory salute salv salvage salvageable salva-, salv- salvation salve salver salvia salvific salvo sal volatile salv, salu salv sav salv, sav SAM sam- -sama samadhi samara

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