They're still holding a perimeter? For now.

线失守吧 目。

They're going to use their logistics, use their ability to build up capacity quickly.

他们将利用专门的物流系统，利用他们的能力迅速建立线。

One of our first lines of defense is habitat management.

我们的第一道线是栖息地管理。

Plants are also, of course, our first defence against species loss and climate change.

当然，植物也是我们御物种损失和气候变化的第一道线。

C) Act as the first defence against natural disasters.

C）作为御自然灾害的第一道线。

The Siegfried Line is the string of fortifications constructed by Hitler facing the Maginot Line.

希特勒为了对抗马奇诺线建造了齐格菲御工事。

The line itself stretched for 720 kilometres from the Swiss to the Belgium borders.

线本身从瑞士到比利时边界，绵延720公里。

The muscle is your first line of defense.

肌肉是你的第一道线。

And that's the first line of defense against the cold.

这是御寒冷的第一道线。

But the first line of defense is prevention.

但第一道线是。

The first line of defense was to dam the region's flood-prone estuaries.

第一道线，是在该地区易受洪水侵袭的河口筑坝。

This surface is also the body's first major line of defense.

皮肤也是身体的第一道线。

" The resource officer is the first line of defense, " said Keith Mott.

“驻校警察是第一道线，”基思·莫特说。

The only line of defense he has is his reputation and his humanitarian work.

他唯一的线就是自己的名声和所做的人道主义工作。

The universities are a last line of defense, and must remain that way.

大学是最后一道线，必须保持下去。

Prevention is the first line of defense against deadly diseases.

是御多种致命疾病的第一道线。

One line of defense is video encryption software.

线之一是视频加密软件。

The goats eat it up, creating a line of defense for local firefighters.

山羊吃掉了它，为当地消员建立了一道线。

You can catch him running circles around his opponents on the gridiron every Sunday.

每到周日橄榄球赛，他总能轻轻松松突破对手线。

And that bypassing it could open Turkey and the Black Sea up to future conflict.

而绕过这条线可能会在未来给土耳其和黑海地区带来冲突。