We will give impetus to the clean use of traditional energy sources, intensify the construction of smart power grids, and vigorously develop clean energy.

推进传统能源清洁利用，加强智能电网建设，大力发展清洁能源。

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If there are more tenacious spots to clean off, you can use a wet rag to rub them clean.

如果有顽固污渍的地方需要清理，你可以用块湿抹布擦干净。

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Women, during menstruation, should use clean, soft cloth or sanitary napkins.

女士在月经期间应该选用干净、柔软的软布或卫生巾。

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The government could also use violations of other federal laws such as the Clean Water Act to collect money for the spill.

VOA: special.2010.06.04

You cannot just tell the computer to enhance that or can you clean that up and then magically use zoom in not only on the image but also on the reflection of the victim in someone's eyeball.

你不能直接要求计算机增强,这张图片或者修复它,然后期待计算机很神奇地放大图片,以及死者的眼珠的反光。

哈佛公开课 - 计算机科学课程节选

They then use the toilet to clean the flag.

然后他们就用马桶来弄干净国旗。

耶鲁公开课 - 心理学导论课程节选

China is also moving rapidly toward renewable clean energy use.

FORBES: Green Sprouts in the Far East

Virgin Atlantic President Richard Branson said the test flight would help the airline to use clean fuel sooner than expected.

CNN: Biofuel-powered jet makes test flight

This investment will place Smart Meters in homes to make our energy bills lower, make outages less likely and make it easier to use clean energy.

CNN: Obama's remarks on signing the stimulus plan