crotyl本: I stem or root of plants烯: alkene; olefince基: base; foundation烯基: alkenyl; polyalphaolifen; thiazolinyl; vinyl链烯基,脂烯基: alkenyl group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:本烯基,即可在微信中查询翻译