auto emissions的用法和樣例：
例句
- The non-toxic auto exhaust smells like tempura.
非有毒的汽車(chē)排氣的味道一樣，天婦羅。 - Emissions testing for cars has been spotty, and experts complain that little is known about what comes out of China's tailpipes.
對車(chē)輛的尾氣檢測一直不規范，專(zhuān)家們抱怨說(shuō)，他們根本無(wú)從知道中國的汽車(chē)排氣管里出來(lái)的到底有些什么東西。
