plumule
noun [ C ] biology specialized uk/ˈpluː.mjuːl/ us/ˈpluː.mjuːl/
(PLANT)
胚芽(从植物种子生长出来的第一个嫩芽)
the first shoot that grows from the seed of a plant
(BIRD)
绒毛(幼鸟小而软的羽毛)
one of the small, soft feathers of a young bird
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