【全球十大污染城市】""北京是世界上大气污染最严重的十大城市之一""用英文怎么说?最好多...
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【答案】 Beijing is one of the ten most severely polluted cities in the world.
The coal used up in Beijing has been up to 27,000 thousand tons.
2700吨：twenty seven hundred tons
2700万吨：twenty seven million tons