concealed outcrop

例句：

1. 1. The hidden outcrop of the mountain is a popular hiking destination.
   隐藏的山露头是热门的徒步旅行目的地。
2. 2.The geologist discovered a concealed outcrop of ancient volcanic rocks.
   地质学家发现了一个隐藏的古火山岩石露头。
3. 3.The team carefully excavated the concealed outcrop to reveal its mineral content.
   团队小心翼翼地挖掘了隐藏的露头，以揭示其矿物含量。