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1·Oil pollution could damage the fragile ecology of the coral reefs.

石油污染可能破坏珊瑚礁脆弱的生态环境。《牛津词典》

2·Oil spills are having a devastating effect on coral reefs in the ocean.

海上溢油对海洋里的珊瑚礁有着毁灭性影响。《牛津词典》

3·All over the world, coral reefs are dying.

全世界的珊瑚礁都在消亡。

4·The pilot guided us through the dangerous reefs.

这位引航员引导我们通过了危险的暗礁区。《新英汉大辞典》

5·This of course has beneficial results for the nearby coral reefs.

这当然对附近的珊瑚礁有益。

6·Now, in small numbers, the starfish don't affect coral reefs dramatically.

现在，海星数量很少，对珊瑚礁的影响也不大。

7·Both of these grow in coastal waters, often in the vicinity of coral reefs.

这两种植物都生长在沿海水域，且通常生长在珊瑚礁附近。

8·There are almost always pockets of coral on the reefs that remain unaffected.

珊瑚礁上几乎总有一些珊瑚没有受到影响。

9·I'm helping to do research on the coral and the fish that live around the reefs.

我正在帮助研究珊瑚和生活在珊瑚礁周围的鱼类。

10·The reefs here are beautiful, but if the sea water is polluted, the coral will die.

这里的珊瑚礁是美丽的，但是如果海水被污染，珊瑚就会死亡。

(1)coral reef珊瑚礁

(1)barrier reef堡礁；堤礁

(1)great barrier reef大堡礁

(1)reef limestone礁灰岩

(1)reef flat礁坪，浅石滩；平坦礁

(1)submerged reef暗礁