cambium
n. [植] 形成层;新生组织
复数 cambia或cambiums
例句
The base of scion is cut diagonally to expose a large oval of cambium.
接穗的基部被切成斜形,暴露出椭圆形的大圈形成层。
The base of scion is cut diagonal ly to expose a large oval of cambium.
Acropetal differentiation of the cambium layer continues as the primary root elongates.
形成层的向顶分化像初生根伸长一样在继续进行。