The dura is just the bag.

硬脑膜就是个毫无用处的袋子。

The epidural space surrounds the dura.

硬膜外腔位于硬膜囊周围。

Arachnoid ligaments fixed nerve root inside dura.

门网膜韧带硬膜囊把神根固硬膜侧壁。

Note the dense pink connective tissue dura at the right.

右边是致密的粉红色结缔组织硬脑膜。

Dura lex, sed lex. The law is harsh, but that is the law!

法律是严格的，但那毕竟是法律！