柯林斯词典plumule /ˈpluːmjuːl/ 1. N the embryonic shoot of seed-bearing plants 胚芽 返回 plumule剑桥词典 plumule noun [C] (PLANT) the first shoot that grows from the seed of a plant 胚芽（从植物种子生长出来的第一个嫩芽） plumule noun [C] (BIRD) one of the small , soft feathers of a young bird 绒毛（幼鸟小而软的羽毛） 返回 plumule