mountain folding

例句：

1. 1. The mountainfolds in the distance, revealing ahidden valley.
   远处的山脉起伏，露出了一个隐藏的山谷。
2. 2. The mountain folding isa natural wonder that attracts many tourists.
   山脉折叠是一个自然奇观，吸引了许多游客。
3. 3. The mountain folding is a popularhiking trail for outdoor enthusiasts.
   山脉折叠是户外爱好者热衷的徒步路线。