tail - gas pollution

• 尾气污染

tail - gas pollution的用法和样例：

例句

1. The exhaust gas from cars pollutes the air and they waste energy.
   事实上，汽车尾气污染了空气，浪费能源。
2. Beijing is fighting auto pollution by instituting China's highest vehicle emissions standards.
   北京市为了治理汽车尾气污染，制订了中国最严格的尾气排放标准。