短语词组短语Friedrich Kekule 凯库勒Kekule count Kekule 计数Kekule model 库勒模型Kekule ring 翻译;凯库勒环Kekule compound 剀库勒化合物August Kekule 凯库勒Kekule structure 凯库勒结构式;克库勒结构;结构式Kekule formula 凯库勒式;翻译Kekule structures 翻译 返回 Kekule