auto emissions

• 汽车排气

auto emissions的用法和样例：

例句

1. The non-toxic auto exhaust smells like tempura.
   非有毒的汽车排气的味道一样，天妇罗。
2. Emissions testing for cars has been spotty, and experts complain that little is known about what comes out of China's tailpipes.
   对车辆的尾气检测一直不规范，专家们抱怨说，他们根本无从知道中国的汽车排气管里出来的到底有些什么东西。