smog造句
The sky over the city was overspread with a heavy
smog.
城市上空罩上了一层烟雾.
Cars cause pollution, both
smog and acid rain.
汽车造成的污染既有烟雾也有酸雨。
The river appeared as if enveloped in
smog.
那条河好像笼罩在烟雾之中。
attempts to reduce
smog caused by traffic fumes
旨在降低车辆尾气造成的烟雾的措施