close link闭: close; shut链环: chain link; chain iron闭链: closed chain; cycle闭链烃: cloged-chain hydrocarbon; closed-chain hydrocarbon闭链系: cloged chain series; closed chain series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:闭链环，即可在微信中查询翻译
