基本解释[化学]苯甲酸苄酯词组短语短语Benzoic acid -benzyl ester 5000 ng 苯甲酸苄酯4 -cyano-benzoic acid benzyl ester 氰基苯甲酸苄酯3 -Chlorosulfonyl-benzoic acid benzyl ester 氯磺酰基benzoic acid benzyl ester更多词组专业释义化学苯甲酸苄酯