And there really haven't been widespread threats to life.

并没有对生命造成大范围的威胁。

When that happens, they tear across the Earth, posing a huge threat to life and property.

当龙卷风形成之后，它们就会快速席卷地面，对生命和财产造成巨大威胁。

One of the biggest threats to life on earth comes in the form of asteroids from space.

地球上所有生命最大的威胁之一，来自于来自太空的小行星。

Officials say with storms like this, typhoons and hurricanes, the storm surge is usually the biggest threat to lives and property.

官员表示这样的风暴、台风和飓风, 风暴潮通常是对生命和财产的最大威胁。

What isn't theory though is the plausibility of these ancient viruses being a deadly threat to life today.

然而，并非理论的是这些古老病毒对当今生命构成致命威胁的可能性。

But we also see it in Europe where we've seen there have been threat to life, warnings against individuals in the United Kingdom.

但我们在欧洲也看到了这种情况，我们在英国看到了针对个人的生命威胁和警告。

But we also see it in Europe where we've seen there have been threats to life and warnings against individuals in the United Kingdom.

但我们在欧洲也看到了这种情况，我们在英国看到了针对个人的生命威胁和警告。

Fortunately, if this were to happen to 2015 XF261, the fragments would probably be too small to pose a threat to life on Earth.

幸运的是， 如果这种情况发生在 2015 XF261 上，碎片可能太小， 不足以对地球上的生命构成威胁。