The scientists kept six other control cays predator - free and exhaustively counted , marked , and measured lizards on all 12 isles 同时，他们彻底地统计、标记并测量了12个珊瑚岛上的蜥蜴。
4.
The coastal area of belize is an outstanding natural system consisting of the largest barrier reef in the northern hemisphere , offshore atolls , several hundred sand cays , mangrove forests , coastal lagoons and estuaries 伯利兹的海岸是北半球最大的堤礁自然生态系统，它由近海环礁、几百个沙洲、美洲红树林、沿海泻湖、港湾等组成。
