alkyl烷基: alkyl; alk-烃基: hydrocarbon radical二烃基膦酸烷基酯: dialkyl alkylphosphonate; dialkylalkylphosphonate二烃基亚膦酸烷基酯: alkyl dialkylphosphinate; alkyldialkylphosphinate烷基化合物, 烃基化合物: alkyl compound下载手机词典可随时随地查词查翻译