1 Baoding, North China's Hebei province
2 Xingtai, North China's Hebei province
3 Shijiazhuang, North China's Hebei province
4 Tangshan, North China's Hebei province
5 Handan, North China's Hebei province
6 Hengshui, North China's Hebei province
7 Jinan, East China's Shandong province
8 Langfang, North China's Hebei province
9 Zhengzhou, North China's Henan province
10 Tianjin
十大空气质量较差的城市:
1.保定(中国北部河北省)
2.邢台(中国华北河北省)
3.石家庄(中国华北河北省)
4.唐山(中国华北河北省)
5.邯郸(中国北部河北省)
6.衡水(中国华北河北省)
7.济南(中国华东山东省)
8.廊坊(中国华北河北省)
9.郑州(中国华北河南省)
10.天津
Vocabulary
carbon monoxide: 一氧化碳
ozone: 臭氧
eliminate: 消除
microgram: 微克
consumption: 消费
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2020-09-15
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