It's often used to insulate power lines.

它经用来隔离。

The wire has an extension of 50 feet.

这有50英尺长。

But she was nearly killed when electric wires and the pole that held them up collapsed.

但她可谓九死一生，因为和支撑的杆都坍塌了。

Lined up against the wall, there were long thin wires attached to metal sphers.

靠墙排着许多细长的，而又连着金属球。

Power lines can come down in strong winds, or trees can blow into power lines.

强风会吹倒，或让树倒向。

This wire, when activated, they contract.

这个激活的时候会收缩。

That's all barbed wire around there.

这些是带刺。

Lined up against the wall, there were long thin wires attached to metal spheres.

靠墙排列着许多细长的，而又连着金属球。

The snake then wound itself round the wires.

于是蛇就缠住了几根。

Looking at power lines, fixing utility poles, people cutting trees that have fallen.

也有人力负责检查、修复杆，有人砍掉倒塌的树。

Raven on a wire. A gloomy portent, precariously perched.

上的乌鸦 似不祥之兆 不安地栖息在上。

It can also prevent power lines themselves sparking fires.

还能防止本身引发火灾。

Bob got an electric shock from the wire.

鲍伯到了。

And watch out for the cables!

还有小心！

One of the wires must be broken.

其中一根肯定断了。

Their wings can bridge the gap between lines, resulting in electrocution if they touch two lines at once.

它们的翅膀可以在与之间搭起桥梁，一旦同时触碰两根，它们就会触。

Now the line is down, and there is no electricity.

导致倒塌，造成停。

“we went under a power line, and someone said they give off UV.”

稍后，“我们从输下走过，有人说输会放射紫外。”

Ice was threatening trees and power lines.

冰雪有可能破坏树木和。

Watch your steps, there are cables all over the place.

小心脚下，到处都是。