noun🔗Share胎叶 Each of the patches of vili on the foetal chorion in the placenta of ruminants and some other mammals."The veterinarian pointed to the image of the cow's placenta and explained that each cotyledon helps provide nutrients from the mother to the developing calf. "兽医指着母牛胎盘的图像解释说，每一个胎叶都有助于将母体的营养输送给正在发育的小牛。organismanimalanatomyphysiologybiologyChat with AIVocabulary GamePractice Reading
noun🔗Share子叶 The leaf of the embryo of a seed-bearing plant; after germination it becomes the first leaves of the seedling."The young bean sprout pushed through the soil, revealing its two cotyledons, small leaves that provided initial nourishment before true leaves developed. "刚发芽的豆芽拱出了土壤，露出了两片子叶，那是真叶长出之前提供最初养分的小叶片。plantbiologyseednatureagricultureChat with AIVocabulary GamePractice Reading
