A rocky stream is no barrier in this remote tribal region of southwestern Punjab, where the people are as rugged as the land.

多石的溪流并不是旁遮普西南部偏远部落区的屏障，那里的人们如这片土地一样强健。

youdao

The riparian zone is a functional transition region, the last protection barrier of lakes, which is connected the lake aquatic ecosystem and the terrestrial ecosystem.

湖滨带是连接湖泊水域生态系统与陆地生态系统的一个功能过渡区，是湖泊的最后一道保护屏障。

youdao

While for Russia, Transcaucasia is the traditional sphere of influence and strategic interests at stake region, which is the natural barrier to keep security and stability.

而对俄罗斯来说，外高加索地区是其传统的势力范围和战略利益攸关地区，是其维护自身安全与稳定的天然屏障。

youdao

The region has the third largest barrier reef in the world.

VOA: standard.2010.05.26

The bastion of its long-guarded independence is the mountain range known as Picos de Europa (the Peaks of Europe), a vast natural barrier sheltering the region from the south.

BBC: A culinary pilgrimage along the Way of St James

Ms. CONDOLEEZA RICE (U.S. State Department): To the degree that we hear from the Saudis and others that their biggest strategic concern is Iran, then they have a very strong incentive to help stabilize Iraq, so that Iraq is indeed a barrier to Iranian influence in the region, not a bridge.

NPR: Rice Set to Make a Swing Through Middle East