英语词汇“betulin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	betulin
释义	betulin\|ˈbɛtjʊlɪn\| [f. L. betula birch + -in.] ‘A resinous substance extracted from the outer bark of the birch-tree (Betula alba), or from the tar prepared therefrom.’ Watts Dict. Chem. 1879.
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