短语词组短語Branched -chain alkanes 命名法branched infection chain 分枝侵染鏈branched -chain ketoaciduria 支鏈酮酸尿;支鏈酮酸尿症branched d chain peptide 支鏈肽fucose branched -chain 巖藻糖支鏈 返回 branched chain