The stratosphere holds an natural amount of ozone, but by Earth's surface this becomes air pollution.
大气平流层中存在有大量的臭氧，它们若是在地球表面则会造成空气污染，空气中的臭氧会严重破坏人的肺部。
Scientists say that despite the widely held belief we need eight hours of sleep a night, six to seven hours is the natural amount.
尽管大多科学家都坚信一天需要睡八个小时，但是六个小时就已经是自然睡眠的足够时间了。
Scientists say that despite the widely held belief that we need eight hours of sleep a night, six to seven hours is the natural amount.
尽管大多科学家都坚信一天需要睡八个小时，但是六个小时就已经是自然睡眠的足够时间了。
The amount of oil and natural gas in the Earth was still plentiful.
地球上的石油和天然气储量仍然丰富。
Clothing takes a huge amount of natural resources to make, and buying loads of new clothing (or throwing out old clothing) is not healthy for the environment.
制作衣服需要大量的自然资源，购买大量的新衣服（或扔掉旧衣服）对环境不利。
Migration could reduce the amount of disease as infected animals are left behind to die, but changes in migration might prevent such natural purging of infections, the review says.
这份综述说，随着被感染的动物掉队死亡，迁徙可能减少疾病数量，但是迁徙的变化可能阻止这种天然的防止感染的措施。
These include protecting natural areas and limiting the amount of chemicals in building materials.
这些措施包括保护自然区，并限制建筑材料中的化学品含量。
Given the amount of stuff we all have to do, it's just natural that we have to put off some things to a later time or just not do them at all.
将我们都必须做的一大堆活让步，这是很自然的事情，我们不得不将一些事情拖延到以后来做，或者干脆不做。
Third, the Japanese enjoy natural protection as there is a high amount of iodine in the diet.
第三，日本人崇尚自然，他们的许多食物中含碘量很高。
ALONG the coast of China, six vast liquefied natural gas (LNG) terminals are under construction; by the end of 2015 they should have more than doubled the amount of LNG that the country can import.
在中国的沿海地区，有六个大型的液化天然气(LNG)接收站正在作业。到2015年底，中国拥有的天然气量，将是国家能进口的天然气总量的2倍还要多。
The amount of particles, known to scientists as aerosols, fluctuates naturally with the seasons and natural events, as well as with human activities.
那些被科学家们熟知且被称为悬浮微粒的大多数粒子，会随着季节、自然事件以及人类活动的变化而自然的变动。
Some amount of grief is natural as parents adjust to the fact that an event and a relationship they've been looking forward to isn't going to materialize.
当父母们慢慢接受现实时，当他们认识到他们一直盼望的孩子和亲情不会到来时，产生一些悲伤的情绪是自然的。
A "steep" learning curve, in colloquial usage, usually means experiencing a large and increasing amount of effort for a constant amount of learning, i.e. approaching a natural limit.
用通俗的说法，陡的学习曲线表明同等量的学习需要付出很大而且还在增大的努力，即达到了自然极限。
Foreigners have shown particular interest in the natural food that requires the least possible amount of procession.
外国人钟情于吃尽可能少加工过的天然食物。
S tomato lamp calls attention to the amount of natural resources needed to produce even the smallest amount of power for everyday living.
这盏西红柿灯唤起了对可提供日常生活能源的自然资源的数量需求的关注，哪怕只能提供有限的一点能源。
A study published earlier this year in the Journal of Food Protection found that natural hot dogs had anywhere from one-half to 10 times the amount of nitrite that conventional hot dogs contained.
在今年早些时候在食物保护杂志上刊登的一篇研究指出半个天然热狗中所含的亚硝酸盐是一整条传统热狗中所含亚硝酸盐的十倍。
With the amount of time they spend engaged with their device, as opposed to someone who has a Razr for example, it's only natural to think that they will come across more ads.
正因为他们把大把的时间花在把玩这个手头装备上，相对比其他用Razr的用户来说，我们会很自然的认为他们将接触到更多的广告。
'our findings show that 10ml is the preferred amount of milk for our cuppas, due to its ability to balance natural bitterness and allow a smoother taste sensation.'
他说：“享受一杯茶的时候，我们希望获得苦与甜的完美调和。我们的研究结果表明：一杯茶里放10ml牛奶最完美，因为他能平衡茶叶天然的苦味，让奶茶更顺口。”
Spreadsheets are good for manipulating large amount of data, and so the idea of retrieving instances is a natural choice.
电子表格非常适合于操作大量的数据，因此检索实例的想法是非常自然的选择。
When we consume food without these natural enzymes, our bodies either digest the food improperly or allow an excessive amount of nutrients to be absorbed into the bloodstream.
当我们吃了没有这些天然酶的食物时，我们的身体要不是无法正确地消化食物，就是会让过量的营养物质进入到血液中。
Measuring the amount of natural gas that is leaking during drilling is one challenge.
测算油气井开采过程中逸散的天然气量是一个难题。
The control device then adjusts the lighting accordingly. If plenty of natural light is coming in through the Windows, for example, the controller lowers the amount of artificial light.
然后此控制装置相应地调整照明。例如，如果大量自然光从窗户照进来时，控制器可调低人造光的量。
Actually, by removing the command's invocation from its natural context, I found myself spending a huge amount of time trying to remember where the source code related to the event was.
实际上，如果把命令调用从其本来的上下文中删除，我发现自己要花费大量的时间来回忆与该事件相关的源代码放到了哪里？
Even if each floor rotates its crops past the Windows so that all plants receive an equal amount of natural light, overall they would get less light, and so produce less biomass, says Dr Caplow.
开普罗博士说，就算每个楼层的作物都能绕着窗户运行并获得均等的日光照射，作物得到的光照量还是很少的，只能制造出少量的生物质。
If plenty of natural light is coming in through the Windows, for example, the controller lowers the amount of artificial light.
例如，如果大量自然光从窗户照进来时，控制器可调低人造光的量。
Light. Your body's natural clock is tuned to the amount of light.
你身体的生物钟是由光线影响的。
Natural physiologic controls precisely regulate the amount of ascorbate absorbed by the body when it is taken orally.
生理上的自然调控精确地控制着经口摄入并被机体吸收的抗坏血酸的量。
Extrapolating from lake depths on Earth, the researchers estimate several of the lakes on Titan each contain more than the total amount of natural gas on Earth, estimated to be about 130 billion tons.
科研者们根据地球上的湖泊的深度推断，泰坦上有几个湖泊中每个湖泊的天然气含量都超过地球上的总量，估计有1300亿吨之多。
Extrapolating from lake depths on Earth, the researchers estimate several of the lakes on Titan each contain more than the total amount of natural gas on Earth, estimated to be about 130 billion tons.
科研者们根据地球上的湖泊的深度推断，泰坦上有几个湖泊中每个湖泊的天然气含量都超过地球上的总量，估计有1300亿吨之多。
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