It's all exciting to see a large animal in the sea, and of course, the turtles are very iconic species in marine world.
能看到大型海洋动物总是令人很兴奋，不用说海龟是非常有代表性的海洋动物R~x5aHG.FwtZ^#。
And I'm surrounded by them on this dive.
我现在被它们包围着se*C;_QEU(。
Hundreds and hundreds of turtles are in the water column above me, passing over the reef's crest and now in the blue water.
成千上万的海龟正处于我上方的洋流中，它们随水流掠过礁顶，游进蔚蓝的海域中0PT36q@Dv+1__Goll0。
The turtles all converge on small islands made of coral rock and sand, known as the coral cases, but not all are suitable for nesting.
海龟都朝小岛汇聚，小岛是由珊瑚与石砂构成的，也叫珊瑚岩mCja-h3KVW。但不是所有的礁石都适合筑巢F&5f(aGRO]KO#C。
Some only are sank down, exposed only at low water.
有些只是低潮时才露出的沙丘、
And many others have beaches that swamp to high tide.
许多有海滩的沙丘会在涨潮适变得泥泞不堪8Yxh#TT4#Ok。