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从本世纪７０年代开始，出现了一种可在１００年内毁灭所有珊瑚礁的现象，海水升温导致了珊瑚的死亡……
Since the 1970s, there has been a phenomenon that can destroy all coral reefs in 100 years, and the warming of sea water has led to the death of corals ...