气象中心报道，从中国东北部经北京至东部地区的人口稠密地带的污染在本周一将可能更糟糕。
The National Meteorological Center said pollution in a densely populated swath stretching from the country's northeast across Beijing to eastern China was likely to worsen on Monday.
有利于水稻种植、人口稠密的平原是柬埔寨的中心地带。
This densely populated plain, which is devoted to wet rice cultivation, is the heartland of Cambodia.
占地紧365平方公里，却拥有150万人口的加沙地带是世界上人口稠密地区之一。
Covering just 365 square kilometres and home to 1.5 million people, Gaza is one of the most densely populated regions in the world.
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