This is especially so in desperately poor countries, where residents in the countryside slash and burn forests each growing season to clear space for farming.
在极度贫困的国家更是如此，那里的农村居民在每个生长季节都要砍伐和烧毁森林，来为农业腾出空间。
可能还要烧几个月。
它们为让你看见而燃烧自己。
Bright China, let my life burn for you.
光明的中国，让我的生命为你燃烧吧。
Let the candle burn for two or three minutes.
让蜡烛燃烧两到三分钟。
Red dwarfs, meanwhile, burn for hundreds of billions of years.
而红矮星，可以燃烧成百上千亿年。
You know your words will burn for ever in my memory after you've left me.
你明白在你离开我之后，你的话仍将会烙印在我记忆中。
First, light up the candle and let it burn for at least five minutes.
首先，点亮蜡烛，让它燃烧，至少五分钟。
He was also confused by the black stones people used to burn for fuel.
黑石头被用来当燃料烧，他也感到迷惑不解。
The booster will burn for about 60 seconds, enabling engineers to validate and test its performance.
该助推器将会燃烧大约60秒左右，使的工程师可以对它的性能可以进行证实与测试。
Plus, cigars often burn for longer periods of time, which leads to more secondhand smoke in the air.
此外，由于雪茄比起香烟，通常会燃烧更长时间，因此会产生更多的二手烟雾。
Wildfires are powerful forces of nature that can burn for as long as they have fuel, oxygen and heat.
野火是种强大的自然力量，只要有燃料、氧气和热量就能燃烧。
Fusion within the sun, for example, has made that star burn for more than 4.5 billion years, and given it a surface temperature around 5, 500 degrees Celsius.
比如说，太阳内部的核聚变n使它燃烧了超过45亿年，并且使它的表面温度达到5,500摄氏度。
Fusion within the sun, for example, has made that star burn for more than 4.5 billion years, and given it a surface temperature around 5,500 degrees Celsius.
比如说，太阳内部的核聚变n使它燃烧了超过45亿年，并且使它的表面温度达到5,500摄氏度。
Compared to an incandescent bulb, which might cost only about 50 cents and burn for 1, 000 hours, CFLs cost around $3—although they use up to 75% less power and last much longer.
与每只大概花费50每分、可以燃烧持续1000小时的白炽灯相比，CFLs成本大约3美元—即使它们最多消耗75%的电力，且持续的时间更长。
Ford vowed that he would sooner burn his factory to the ground than build a single vehicle for war purposes.
福特起誓说，他宁愿把自己的工厂烧毁，也不为战争生产一辆汽车。
I will try to better serve my trust than he; for he let the cakes burn.
我会尽力比他做得更好的；因为他让蛋糕烧糊了。
Slash-and-burn farming can be good for soils provided it doesn't completely burn all the vegetation, and leaves behind charred wood.
刀耕火种的耕作方式对土壤是有好处的，只要它不完全烧掉所有的植被，只留下烧焦的木头。
He could not understand how people paid for food and valuable things with paper! He was also puzzled by the black stones people used to burn to produce heat.
他不明白人们是怎么用纸来买食物和贵重物品的！他还对人们用来燃烧产生热量的黑色石头感到困惑。
For example, when we burn wood or cook fish, materials change.
例如，当我们烧木头或煮鱼时，材料会发生变化。
The Harvard admissions office has an essay on its Web site called "Time Out or Burn Out for the Next Generation.
哈佛大学的招生办公室在它的网页上粘贴了这样一篇文章——为了明天是暂停退出还是燃尽青春。
For warmth, they burn donated firewood.
为了取暖，他们烧别人捐赠的柴火。
For warmth, they burn donated firewood.
为了取暖，他们烧别人捐赠的柴火。
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