有很多因素能影响空气污染的程度，包括气候状况、周围环境、汽油排放量的多少以及交通密度。

The amount of air pollution created depended on a number of factors, including weather, surrounding structures, amount of gasoline pumped, and traffic intensity.

youdao

有很多因素能影响空气污染的程度，包括气候状况、周围环境、汽油排放量的多少以及交通密度。

The amount of air pollution created depended on a number of factors, including weather, surrounding structures, amount of gasoline pumped, and traffic intensity.

youdao