Does Pyongyang have a warhead that can reenter the earth's atmosphere without burning up?

平壤是有可以在不燃烧的情况下重新进入地球气层的弹头？

Producing power without burning fossil fuels, most utilities scale power is stored this way, using water.

在不燃烧化石燃料的情况下就可以发电，多数公用事业规模的电力用这种方式储存、使用水。

What about ways to make a plane faster without burning lots of fuel?

如何在不燃烧燃料的情况下使飞机更快？

In Britain, the government is wrestling with the same challenge as Mokoena of heating homes without burning fossil fuels.

在英国，政府正在努力应对与 Mokoena 相同的挑战，即在不燃烧化石燃料的情况下为房屋供暖。

It got even stranger: Active people who work out  regularly do burn more than inactive people.

更奇怪的是：经常锻炼的活跃人士比不活跃的人士燃烧更多的热。

So for your ancestors, being able to move a lot without burning  extra calories was a matter of life and death.

因此对于你们的祖先来说，能进运动而不燃烧多余的卡路里是生死攸关的问题。

In the past, the material of choice has been carbon black, a sooty substance made by the incomplete combustion of petroleum products.

过去，备选材料为碳黑，这是一种石油产品不完全燃烧后形成的黑色物质。

The next Pathfinder mission used an airbag system to allow the rover to bounce and roll to a halt without burning contaminating fuel.

下一个探路者任务使用了一个安全气囊系统，使漫游者能够在不燃烧污染燃料的情况下弹跳和滚动停止。

There was a fragrance about her that communicated itself to his own emotions, kindling the embers to a glow that did not burn, but merely warmed.

她身上散发出一种香气，能传达出他自己的情绪，点燃余烬，发出不燃烧的光，但只是温暖。

The problem is that even though the fuses look uniform, they don't burn evenly, so if you cut one in half, for example, one side might burn longer than the other.

问题是即使保险丝看起来很均匀，但是它们不能够均匀的燃烧，所以如果你剪掉一半，一边可能会比另一边烧的更长。