One line of defense is video encryption software.

防线之一是视频加密软件。

That's the last line of defense.

这是最后一道防线。

They're still holding a perimeter? For now.

防线还没失守吧 目前还没。

But the first line of defense is prevention.

但第一道防线是预防。

The muscle is your first line of defense.

肌肉是你的第一道防线。

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

这是抵御寒冷的第一道防线。

There should be at least two lines in each windbreak.

每个防风至少应该包含两条防线。

You know, we recently crossed the final frontier.

我们最近还跨越了最后一道防线。

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

皮肤也是身体的第一道防线。

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

大学是最后一道防线，必须保持下去。

She thought rapidly, trying to lay a line of defenses.

她忙思考，要设置一道防线。

One of our first lines of defense is habitat management.

我们的第一道防线是栖息地管理。

But our offense was giving up 30 pounds to everyone across the line.

但我们的防线有时会“网开一面”。

Prevention is the first line of defense against deadly diseases.

预防是抵御多种致命疾病的第一道防线。

C) Act as the first defence against natural disasters.

C）作为抵御自然灾害的第一道防线。

If war comes, this will be America's first line of defense.

一旦开战 这将是美国的第一道防线。

In just five days, Nazi tanks had broken through French lines.

只用五天时间，纳粹的坦就突破了法国防线。

This was our line of defense.

“我们的防线就设在这儿的。”

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防线。

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

山羊吃掉了它，为当地消防员建立了一道防线。