单词	sultam
释义	sultam noun sul·​tam ˈsəlˌtam plural -s : any of a class of inner amides of amino sulfonic acids characterized by the sulfonyl-imido grouping −SO2NH− in a ring and analogous to lactams Word History Etymology sul- + lactam
随便看	frae fraena fraenula fraenulum fraenum fraenums frag Fragaria fragariae fragarias frage fragged fragger fraggers fragging fraggings Fragilaria fragile fragile fern fragile x fragile X syndrome fragilely fragilenesses fragiler fragilest

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