smog例句

Cars cause pollution, both smog and acid rain.
汽车造成的污染既有烟雾也有酸雨。

attempts to reduce smog caused by traffic fumes
旨在降低车辆尾气造成的烟雾的措施

The sky over the city was overspread with a heavy smog.
城市上空罩上了一层烟雾.

• #smog