60% of air pollution is from waste gases of vehicles and in cities uo to 80%翻译
问题描述:
60% of air pollution is from waste gases of vehicles and in cities uo to 80%翻译
答
60%的空气污染是由废气和在城市车辆uo到80%
答
60%的空气污染是由汽车尾气排放造成的,而城市里有80%的空气污染是由汽车尾气排放造成的.