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	cupseed cupsful cup shake cup-shot cup-shotten cup sponge cupstone cup tie cup towel cupula cupular cupulate cupule cupuliferae cupuliferous cupuliform cupulo cup wheel cur cur curability curable curableness curably curaca

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