They're still holding a perimeter? For now.

线还没失守吧 目前还没。

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线。

C) Act as the first defence against natural disasters.

C）作为御自然灾害的第线。

The muscle is your first line of defense.

肌肉是你的第线。

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

这是御寒冷的第线。

But the first line of defense is prevention.

但第线是预。

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

皮肤也是身体的第线。

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

第线，是在该地区易受洪水侵袭的河口筑坝。

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

“驻校警察是第线，”基思·莫特说。

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

他唯的线就是自己的名声和所做的人主义工作。

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

大学是最后线，必须保持下去。

Prevention is the first line of defense against deadly diseases.

预是御多种致命疾病的第线。

One line of defense is video encryption software.

线之是视频加密软件。

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。

And these cells are part of the first line of defense against invading pathogens.

这些细胞是御入侵病原体的第线的部分。

I think we're very exposed I think we need to reinvest in our border security.

我们的“线”太过于暴露，我们需要加强边安检。

There should be at least two lines in each windbreak.

每个风林至少应该包含两条线。