portal vein

portal vein

n. 门静脉

例句与用法：

A shared portal from a local network into a larger information resource such as a large packet-switched information network or a mainframe computer.

从一局部网到更大的信息源(例如大型包交换信息网或计算机主机)的一种共享入口。

The portal of the mansion looks magnificent.

这座大厦的正门看上去富丽堂皇。

I think they are standing at the portals of happiness now.

我认为他们现在是站在通向幸福的路口了。