999英语网 英语单词
Fibroin的音标发音
Fibroin
英式发音：[faibrin]美式发音
(n.) A variety of gelatin; the chief ingredient of raw silk, extracted as a white amorphous mass.
奥尔登录入
(n.) A variety of gelatin; the chief ingredient of raw silk, extracted as a white amorphous mass.
奥尔登录入