noun 下载 🔗分享 外皮,表皮,外壳。 An outer protective covering such as the feathers or skin of an animal, a rind or shell. Examples : "The turtle's hard integument protected it from predators. " 乌龟坚硬的外壳保护它免受捕食者的侵害。 animal biology anatomy organism body 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 珠被,外种皮 The outer layer of an ovule, which develops into the seed coat. Examples : "The integuments of the developing sunflower seed will eventually harden into the familiar black shell. " 正在发育的向日葵种子的珠被(外种皮)最终会硬化成我们熟悉的黑色外壳。 plant biology seed nature part organism 与AI对话词汇游戏阅读练习