英语词汇“protoptile”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	protoptile
释义	pro·top·tile \(ˈ)prō\|täptə̇l\ noun (-s) Etymology: prot- + -ptile : one of the first set of down feathers in young birds having two sets of down
随便看	thin-layer chromatogram thin-layer chromatography thin lead thinly thinned thinner thinner thinness thinnest thinning thinning thinning shears thinnish thinocoridae thinocorus thin register thin rind thins thin section thin-shell concrete thin-skinned thin-skinnedness thin space thin stroke thin-wall conduit

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