Some have been more aggressive than others, but overall, their experience shows that concerted steps to improve air quality do work, and they save lives.

有些城市表现的比其他地区更激进，但总体而言，他们的经验表明，改善空气质量的联合措施有所见效，拯救了生命。

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The aggressive young fighter pilot led the Chinese air Force's first successful interception of a major Japanese air attack.

这年轻的有闯劲的战斗飞行员领导了中国空军在空中与日军作战的首次胜利。

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He is aggressive, quick, is good in the air and I think he's a very good player for the future and also for the present.

他很勇猛，速度快，头球出色，我认为他将来会成为非常优秀的球员，现在也是。

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During the same time, Iraq began dispersing aircraft and air defense capabilities in preparation for more aggressive U.S. airstrikes to enforce the "no-fly" zones over northern and southern Iraq.

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The meter on top of the dash showed that the hour-long, 13-mile pass through congested Brooklyn, running the air-conditioner the entire time and being aggressive on the throttle, drained the battery by about 20 percent.

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The Cold War was over, but in two successive military campaigns during the 1990s, air power had done the heavy lifting required to defeat aggressive dictators.

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