cortex的解释
n. 外皮(树皮)
cortex的例句
Having a cortex or a similar specialized outer layer.
有皮的有皮的或具有相似的专门发育的外部覆盖的

A network of extremely small blood vessels passing between the pia mater and the cerebral cortex.
大脑绒被从软膜和大脑皮层之间穿过的极细的小血管形成的网