火灾产生的浓烟在很大范围内严重影响了空气质量。
The dense smoke also created hazardous air quality over a broad region.
我们系统可以在很大的能量范围内都是遍历状态的方案。
吸烟在美国仍然是个很大的问题，在全球范围内更是如此。
Tobacco use is still a significant problem in this country and even bigger problem globally.
吸烟在美国仍然是个很大的问题，在全球范围内更是如此。
Tobacco use is still a significant problem in this country and even bigger problem globally.
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