杭州的烟雾雾——最近几个月，浓度大的污染经常笼罩着中国的城市。

Smog in Hangzhou - During recent months, dense pollution has frequently blanketed many cities in China.

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杭州的烟雾雾——最近几个月，浓度大的污染经常笼罩着中国的城市。

Smog in Hangzhou - During recentmonths, dense pollution has frequently blanketed many cities in China.

youdao

烟雾是烟和雾的混合物。

Smog is a mixture of smoke and fog.

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