산호초 위에 형성된 낮고 작은 모래섬이나 퇴적 지형.
A small, low-elevation, sandy island on the surface of a coral reef.
예문:
"The boat anchored near a secluded cay in the Caribbean Sea."
"Rising sea levels pose a significant threat to the low-lying cays of the Great Barrier Reef."
"We spent the afternoon snorkeling around a tiny cay inhabited only by seabirds."