But it's only in the hidden valleys of Yunnan that they have survived.

但现在只在云南隐密的山谷中幸存。

Despite only arriving in New Guinea 40,000 years ago, humans were soon established throughout the island's maze of hidden valleys.

尽管4万年前才到达新几内亚，人类很快就在岛屿迷宫似的各处隐秘山谷中建起了家园。

I think it would be wiser to move on. We could make for the Hidden Valley.

我认为最好继续前进。我们可以继续往山谷前进。

It has many hiking and walking trails—from long hikes that take all day to finish, to short ones, like the Hidden Valley trail.

这儿有许多徒步旅行和步行道——从需要花费一天时间的长途徒步旅行，到如Hidden Valley trail的短途徒步旅行。

A low black car was coming out of the dancing haze which hid the distant valley of Las Vegas.

一辆低矮的黑色轿车从隐藏在远处拉斯维加斯山谷的舞动薄雾中驶出。

In it, he imagines a civilization of blind men and women who live in a hidden mountain valley without any knowledge of the sighted world.

在这本书中， 他想象了一个由盲人组成的文明社会， 他们生活在一个隐蔽的山谷中， 对有视力的世界一无所知。