smog基本解释

n,[环境]烟雾,同近

Cars cause pollution, both smog and acid rain..汽车引起污染，既有烟雾又有酸雨。

烟雾英释nndirty air that looks like a mixture of smoke and fog , caused by smoke from cars and factories in cities

photochemical smog,n. 光化雾.短语