dialkyl sulfide二: two烷基: alkyl; alk-硫: sulphur; sulfur醚: ether二烷基硫脲: dialkyl thiourea下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:二烷基硫醚,即可在微信中查询翻译