立彬の日本語
359--[tbd]
産毛, うぶ毛, 生毛, うぶげ
1. downy hair, down, vellus hair, peach fuzz, fluff 2. lanugo
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孵化後まもないヒナは、産毛が濡れていますが、2時間もすると乾いてフワフワになります。
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The down of chicks that have just hatched is damp, but after two hours it dries out and becomes fluffy.
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