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

平壤是否拥有可以在不燃烧下重新进入地球大气层弹头？

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

在不燃烧化石燃料下就可以发电，大多数公用事业规模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?

如何在不燃烧大量燃料下使飞机更快？

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 相同挑战，即在不燃烧化石燃料下为房屋供暖。

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

更奇怪是：经常活跃人士比不活跃人士燃烧更多热量。

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

因此对于你们祖先来说，能否进行大量运动而不燃烧多余卡路里是生死攸关问题。

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，能传达出他自己绪，点燃余烬，发出不燃烧光，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燃烧，所以如果你剪掉一半，一边可能会比另一边烧更长。