cambium
🇺🇸
/ˈkæmbiəm/
🇬🇧
/ˈkæmbiəm/
A layer of cells in a plant stem that produces new cells, allowing the plant to grow.
The cambium layer in the tree trunk is essential for its growth and development.
樹木樹幹中的形成層對其生長和發展至關重要。