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濒危的美景

The Great Barrier Reef, off the coast of Australia, is the world's largest coral reef. Home to a diverse array of marinelife, it is one of the natural world's outstanding sites of beauty. But environmental changes now threaten the reef,prompting fears that this natural wonder may not be here for future generations to see.

位于澳大利亚沿岸的“大堡礁”是世界最大的珊瑚礁。(剩余6507字)

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畅销排行榜
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