Most coral reefs are in the tropics because natural conditions there are perfect 大部分的珊瑚礁生长在热带地区，因为那里的自然条件最理想。
The reefs are mainly distributed in the margin and the inner of the upper permian changxing platform 由见天坝?林场呈南北向线型分布，属台地边缘礁。
However , when he returned some years later , the colourful coral reefs were dead and grey 然而，多年以后，当他回来时，艳丽多彩的珊瑚礁已经死了，变成灰色的了。
The great barrier reef is the largest reef of all , stretching an amazing 1 , 250 miles , or 2 , 000 kilometers 而大堡礁则是珊瑚礁中最大的，绵延1 ， 250英里，大约2 ， 000公里。
The great barrier reef is the largest tropical coral reefsystem in the world - and by quite a large margin “大堡礁”是世界最大的热带珊瑚礁系统? ?而且领先优势相当之大。
The reef is also home to six species of sea turtles , 17 species of sea snakes , and 30 species of dolphins and whales 此外还有六种海龟、十七种海蛇与三十种海豚与鲸鱼在此栖息。
When corals die , the wide variety of life forms that live on the coral reefs are affected as well 同时，海水温度即使仅有少许变化，亦可能会扼杀对珊瑚生存极为重要的另一种海藻。
Cruising in the whitsundays , besides the fringing coral reefs is all about beautiful islands with sandy beaches 游圣灵岛，除了随处可见的珊瑚礁外，便是美丽的岛屿、沙滩和海洋。
Home to a diverse4 community5 of creatures , coral reefs are underwater treasure chests of color and activity 珊瑚礁内聚集了各式各样的生物，像是充满瑰丽色彩和丰富活动的水下百宝箱。
Coming in at number five , australia ' s great barrier reef is the only living creature that can be seen from space , it ' s just fantastic 排名第五的自然奇观，澳大利亚大堡礁是唯一能够从太空看到的生物，令人着迷。
