The clean effect, but for black and pores.

有清洁效果，但对于黑头以及毛孔作用不大。

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The need to add baseload coal-fired power plants has the effect of reducing the clean benefits of wind power.

增添基本载荷燃煤电厂的需求同时降低了风电场的清洁效应。

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He told the crowd that the drug would best take effect when consumed regularly in an environment with clean air.

他告诉群众当在一个拥有干净空气的环境中服用的时候，这种药服才会能起到最好的效果。

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Portland has made incremental advances in reducing its sewage overflows since the Clean Water Act went into effect more than 20 years ago.

CNN: Polluted rivers stain Portland's image

Train, who was the EPA administrator when the Clean Air Act went into effect, overrode objections from industry in order to regulate lead emissions from automobiles in the 1970s.

NPR: Supreme Court Hears Global Warming Arguments

"The side-effect profile looks amazingly clean, " says Jeffrey A. Lieberman , vice chair of psychiatry at the University of North Carolina in Chapel Hill Medical School.

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