由于海水及其携带的岩石等物质对海蚀崖软弱处的侵蚀作用形成的洞穴状地貌sea cave

• 他们为游客精心安排了上老鼠山探海蚀洞等一系列独具海岛特色的旅游活动。

  They carefully arranged a series of uniquely island-flavoured travel activities for tourists such as climbing Mt Laoshu and exploring a sea cave.

• 位于美国俄勒冈州的海狮洞是世界上最大的海蚀洞。

  The Sea Lion Caves in Oregon, USA, are the largest sea cave system in the world.