1. A sea urchin is nestled in a coral formation off Bonaire Island. 一只海胆正舒适地安定在博内尔岛外的珊瑚丛里。
2. The island is encircled by a coral reef. 这个岛周围都是珊瑚礁。
3. A green turtle glides over a wasteland of dead coral near Kanton island in the central Pacific. 在中太平洋的坎顿岛附近，一只绿海龟滑过一片死珊瑚的不毛之地。
4. Coral was made up of the bodies of millions of tiny creatures, piled up over millions of years -a million years for each island. 珊瑚由数百万微小生物的遗骸组成，经过数百万年的堆积，每一百万年就形成了一座岛屿。
5. It was unknown if the coral base of the island, about 12 square miles, might be subsiding. 至于岛上的约12平方公里珊瑚礁岛是否会下沉，目前还不知道。
