燃烧化石燃料需要我们付出代价,这样的代价也许是难以承受的。
Burning fossil fuels has a cost - perhaps an unbearable one.
为了燃烧,野火需要合适的条件,燃料,氧气和热量。
To bum, wildfires require the right conditions, fuel, oxygen and heat.
消费者需要在食品和燃料上花更多钱。
但是,就像任一反应堆,太阳需要燃料来保持运作。
但他们需要食物、水和燃料,这些在荒野中无处可寻。
Yet they need food, water and fuel, which are hard to find in the wilderness.
大脑像身体其他部分一样也需要燃料。
激光需要的化学燃料或者电力还没办法轻易安置在太空。
Lasers also need chemical fuel or electrical power which is not readily available in space.
在此期间,美国人的交通仍然需要液体燃料。
In the meantime, Americans still need liquid transportation fuels.
玻璃很重,因此运载它们需要消耗很多的化石燃料。
Glass is heavy, so transporting it USES up a lot of fossil fuel.
美国需要的是一种环保的,现实可行的,合理价位的可替换燃料能源。
What America needs is an environmentally friendly, logistically feasible, and economically responsible alternative fuel source.
需要创造新的,根据燃料需求而不是食品需求的农作物。
New crops, tailored to fuel rather than food production, have to be created.
一艘货船需要多少燃料?
它们需要许多的劳力和化石燃料。
燃料的开销是最大的:购买也需要大量时间。
Fuel is his single biggest expense: buying it takes up much of his time.
这并不完全出自于全心全意的奉献精神:环保型引擎也需要更少的燃料,从而降低成本。
It is not just altruism: greener engines also use less fuel, and so cut costs.
迪乌夫说,目前仍然需要大量粮食作物来生产生物燃料。
首先,我们需要对生物燃料进行更多的研究。
一些燃料电池需要纯氢气,另一些则利用天然气,甚至柴油。
Some require pure hydrogen gas. Others can run on natural gas or even diesel.
这种车的燃料补充同样需要十分的小心。
The refuelling process itself has also required careful attention.
我们需要有一项关于利用未来燃料循环的国际承诺。
We need an international commitment to unlocking the fuel cycle of the future.
你确实需要燃料。
对于火焰,我们将在空气中需要传输燃料,氧气和热。
For the fire, we will need to transport the Fuel, Oxygen and Heat through the air.
更多的小麦被动物饲养需要,取代了为生产燃料而一直种植的玉米。
More wheat is needed for animal feed to replace corn being grown to make fuel.
假如这一反应需要数小时而不是几秒钟,那么燃料成本就太高了。
If the reaction took hours, and not seconds., the fuel costs would be prohibitive.
原子反应堆需要一种合适的燃料。
汽车不需要油和水是燃料的汽车。
汽车不需要油和水是燃料的汽车。
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