英语语法分析

I envy your peace of mind, your clean conscience, your unpolluted memory.

我羡慕你平静的心境，纯洁的良心和没有玷污过的记忆。

Advocated improving the zoology agriculture and the unpolluted, safe, high quality green food.

提倡大力发展生态农业和无污染、安全、优质绿色食品。

Its mutton, for example, comes from sheep raised on the relatively unpolluted Mongolian plains.

比如，小肥羊使用的羊肉全部来自相对无污染的蒙古草原。