海峡

例句：

1. 1. The Great Wall of China is a famous natural barrier between the East and West.
   中国的长城是东西方之间著名的自然屏障。
2. 2. The narrow strait connects two countries, separating them from each other.
   狭窄的海峡将两个国家分隔开来。
3. 3. The Strait of Gibraltar is one of the most dangerous shipping routes in the world.
   直布罗陀海峡是世界上最危险的航运路线之一。