英语词汇“provitamin”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	provitamin
释义	pro·vitamin \(ˈ)prō+\ noun Etymology: pro- (I) + vitamin : a precursor of a vitamin that can be converted into a vitamin in the organism < ergosterol is a provitamin of vitamin D₂ >
随便看	straight paper straight peen straight poker straight-pull straight rail straight razor straight-run straights straight shooter straight-side straight-sided straight sinus straight ticket straight-time straight time straight up straight-up straightway straightway straightway drill straightway pump straightways straight whiskey straik strain

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