It was this huge network of underground train tunnels in the region.

这个工程要在猫头鹰山地区建造巨大的地铁隧道网络。

– a way of describing the network of underground roots linking trees to other trees of the same family.

—这种方式描述的是地下根系网，将树木与同族的其它树木连接起来。

It also has this extraordinary network of underground tunnels, about 400km of tunnels, so they could shelter from Israeli air strikes there.

它还有特别的地下隧道网络，大约 400 公里的隧道，他们可以躲避以色列的空袭。

A huge network of underground cables connected every box in the city to the central alarm center.

一个巨大的地下电缆网络将城市中的每个盒子连接到中央报警中心。

Her big idea was the 'wood wide web'-a way of describing the network of underground roots linking trees to other trees of the same family.

她的宏图是建立“树维网”——一种描述将树木与其同族树木连接起来的地下树根网络的方式。

By the way, when you picked this, you're not killing a plant because it's a network of underground stems called rhizomes that give rise to the leaves.

顺便说一下，当你摘这个的时候，你并没有杀死一株植物，因为它是一个地下茎网，叫做根茎，它产生叶子。

You see, the ground here is not as solid as you might think, in fact it's a bit like Swiss cheese, because Florida sits on a huge network of underground caves full of water.

看，这里的地面并非你想象的那样坚固，实际上，它有点像瑞士奶酪，这是因为佛罗里达州坐落在一个巨大的地下洞穴网络之上，洞穴里充满了水。