二氢广木香内酯...

dihydrocostunolide的音标：dihydrocostunolide的英式发音音标为：[di:haɪdrəʊ'kɒstʌnəlɪd]dihydrocostunolide的美式发音音标为：[dihaɪdroʊ'kɒstʌnəlɪd]...