Cambium
01
形成层, 骨膜的内层
the inner layer of the periosteum
语法信息
有生性状态
无生命
形态构成
简单词
可数
复数形式
cambia
02
形成层, 分生组织
a layer of actively dividing cells in plants, responsible for secondary growth by producing new xylem and phloem tissues
例子
The vascular cambium in trees adds layers of wood and bark each year, contributing to trunk growth.
树木中的维管形成层每年都会增加木材和树皮的层数，有助于树干的生长。
