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SCIENCE STUDY

Coral losing its color

作者:TEENS
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全世界的珊瑚礁面临死亡危机。

Corals are very small creatures (生物) in the sea. They build colorful coral reefs (珊瑚礁). But now, much of the world’s coral reefs are losing their color and dying (死亡), reported Time for Kids.
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