今天我们要学的词是 emission. Emission 做为名词，有排放的意思。

German automaker Volkswagen installed software on many of its diesel cars to intentionally falsify emissions data.

德国大众汽车公司在很多柴油车上安装软件，操纵尾气排放数据。

The U.S. Environmental Protection Agency discovered that these cars had devices that turn emissions controls on during tests and off during normal driving.

美国环境保护局发现，这些车上装有特定装置，让废气排放控制在检测时自动启动，平时开车时则处于关闭状态。

好的，今天我们学习的词是 emission, emission, emission...