noun 下载 🔗分享 表皮,外皮,覆盖层。 An outer protective covering such as the feathers or skin of an animal, a rind or shell. Examples : "The integument of the apple, its crisp skin, protected the fruit from insects and bruising. " 苹果的表皮,也就是它那层脆脆的皮,保护果实免受昆虫侵害和磕碰损伤。 anatomy biology animal 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 integument of the developing sunflower seed hardens to form its tough outer shell. " 正在发育的向日葵种子,其珠被会硬化形成坚硬的外壳 (zheng4 zai4 fa1 yu4 de xiang4 ri4 kui2 zhong3 zi3, qi2 zhu1 bei4 hui4 ying4 hua4 xing2 cheng2 jian1 ying4 de wai4 ke2)。 plant biology seed part 与AI对话词汇游戏阅读练习