后山上

他就住在我家后山上。

He lives in the mountains behind our place .

后山上有个岩洞，我们的食品就储藏在里面。

There was an opening on the back of the mountain . We stored our supplies in that cave .

岳麓山空气负离子和空气清洁度在下雨前后明显不同，下雨后山上的空气负离子含量显著增加，空气的清洁程度也明显提高。

The amount of negative air ions and air clean degree varied greatly when it rained , the amount of negative air ions increased evidently and the air clean degree also got better after rains .

若是站在后山上看下去，晴天里一片头巾、花帕、草帽，雨天里一片斗篷、纸伞、布伞。

If you look down from the back of the hill on fine days , you saw turbans , kerchiefs , straw hats ; on wet days , coir capes and umbrellas of cloth or oiled paper .

他总是从后山登上死亡山脊的。

He always took the back way up to dead man 's ridge .

过几年后，那些山上全种上树。

In a few year 's time , those mountains will be covered with trees .

内蒙古乌盟后山、河北坝上是中国北方生态脆弱带中最为脆弱的地段。

The Houshan region in Inner Mongolia and Bashang region in Hebei Province are two most fragile ecological zones in northern China .