cambium
US /ˈkæm.bi.əm/
UK /ˈkæm.bi.əm/
名词
形成层
a cellular plant tissue from which phloem, xylem, or cork grows by division, resulting in secondary thickening
示例:
•
The cambium layer is responsible for the increase in the diameter of the tree trunk.
形成层负责树干直径的增加。
•
If the cambium is damaged all the way around the tree, the tree will die.
如果形成层在树的四周都受到损坏，树就会死亡。