水能没有污染，是一种干净的能源。
燃烧的产物是水，是世界上最干净的能源。
The product of combustion is water, is the world's most clean energy.
原子能源是干净绿色的吗？
它们运行依靠优良古老的干净人类能源——多余的卡路里和一点体力活。
They run on good old clean human energy - extra calories and a bit of elbow grease.
已经做的是正确的，水力发电是一项干净的、可再生的能源，印度也有大量的能源，并且沙玛也看到了选择性。
Done correctly, hydropower is a clean, renewable source of energy that India has in abundance, and Sharma has seen the alternative.
能源意蕴被转化为字母等级，从非常干净的A级到脏污的G级。
The energy implications are converted into letter grades, from squeaky-clean A to dirty G.
依我看，原子反应堆是一种干净而安全的电能源。
As I see it, nuclear reactors are a clean and safe source of electricity.
他们的目标是研制一款干净、易清洁、能实现水与能源自给而且每人每天费用不超过5美分的厕所。
The goal is to make a toilet that is robust, easy to clean, water - and energy self-sufficient, and costs a user less than five cents a day.
核能是一种安全、干净和廉价的能源。
那些钱足够用来搞高铁网络和干净的可再生能源了。
All that money could have given us a high speed rail network and clean renewable energy by now.
不完全是。依我看，原子反应堆是一种干净而安全的电能源。
Not really. As I see it, nuclear reactors are a clean and safe source of electricity.
风力—日渐流行的风力发电是另一种干净、高效率的再生能源。
Wind power - Wind power is catching on as an efficient, clean way to increase production of electricity.
这是第一次出现在国际上，全球第一个电动汽车充电的电力站，不过很重要的第一件事是能源很干净。
This is the first international time, the first time in the world that an electric station is going to charge electric vehicles, but the first thing that is important is that the energy is clean.
此外乙醇的制造得耗用大量石化燃料，两相抵扣之后、我们最后得到的干净能源量其实并没那么高。
Furthermore, ethanol requires a tremendous amount of fossil fuels to produce. The net energy gain is not terribly high.
而提供燃料电池，风力发电机，及太阳能光电板等更干净更有效的能源给最终消费者也是目前最受到关注的事项。
Fuel cells, wind turbines, and solar panels are amongst the energy sources being looked towards offering cleaner, efficient power to the end users.
尽管有耗竭的危机，又会伤害自然资源，不环保的化石能源却大受欢迎；而风力能源，同样能维持灯火终宵通明的马力—而且干净许多。
Unclean fossil fuels are popular, even though they deplete or harm natural resources, yet wind power also has the horses to keep lights on through the night-and is clean.
尽管有耗竭的危机，又会伤害自然资源，不环保的化石能源却大受欢迎；而风力能源，同样能维持灯火终宵通明的马力—而且干净许多。
Unclean fossil fuels are popular, even though they deplete or harm natural resources, yet wind power also has the horses to keep lights on through the night-and is clean.
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