noun🔗Share外皮, 皮膚, 殻An outer protective covering such as the feathers or skin of an animal, a rind or shell."The integument of the apple, its crisp skin, protected the fruit from insects and bruising. "リンゴの外皮、そのパリッとした皮は、果物を虫や打撲から守りました。anatomybiologyanimalorganismbodyChat with AIVocabulary GamePractice Reading
noun🔗Share珠皮The outer layer of an ovule, which develops into the seed coat."The integument of the developing sunflower seed hardens to form its tough outer shell. "成長中のヒマワリの種子の珠皮は硬化し、その丈夫な外殻を形成します。plantbiologyseedpartChat with AIVocabulary GamePractice Reading