noun 下载 🔗分享 形成层 A layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems. Examples : "The cambium in a tree trunk is the living layer that creates new wood and bark, allowing the tree to grow wider each year. " 树干中的形成层是具有活性的细胞层，它产生新的木材和树皮，使树每年都能长粗。 biology plant anatomy structure organism nature 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 骨膜 Periosteum, a membrane that covers the outer surface of bones Examples : "My doctor explained that the cambium, responsible for bone growth and repair, had been damaged in my shin during the soccer game. " 我的医生解释说，我在踢足球时小腿的骨膜（也就是负责骨骼生长和修复的那层膜）受伤了。 anatomy biology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 形成层，生长层 One of the humours formerly believed to nourish the bodily organs. Examples : "Ancient medical texts described the cambium as a vital humour, thought to nourish the body's organs. " 古代医学典籍将形成层描述为一种重要的体液，被认为能够滋养身体的各个器官。(Gǔdài yīxué diǎnjí jiāng xíngchéng céng miáoshù wéi yī zhǒng zhòngyào de tǐyè, bèi rènwéi nénggòu zīyǎng shēntǐ de gège qìguān.) medicine physiology body 与AI对话词汇游戏阅读练习
