intrachain hydrogen bond链: chain内: inner; inside; within分子内氢键: intramolecular hydrogen bond氢键: hydroge ond; hydrogen bonding链内的: intrachain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:链内氢键，即可在微信中查询翻译
