primary carbon atom伯: father's elder brother; uncl ...碳原子: carbon atom第四碳原子, 季碳原子: quatenary carbon atom【化学】仲碳原子。: secondary carbon atomα碳原子: alpha-carbon atom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:伯碳原子,即可在微信中查询翻译