Barrier reef: A long, narrow ridge of coral or rock parallel to and relatively near a coastline, separated from the coastline by a lagoon too deep for coral growth.
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- 堡礁:一狭长的与海岸平行且相对靠近海岸的珊瑚礁或岩石,常被很深的、不适合珊瑚生长的环礁湖与海岸隔开。