VOA慢速英语视频:Is Sunscreen Killing Coral Reefs?
2015-11-17来源:和谐英语
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A scientist looked at how the chemical oxybenzone affects coral. He says it does three things: It causes their exoskeletons to turn white, and it damages the adult coral’s DNA, or genetic structure. The genetic damage also hurts the coral at the larval stage, when it is very young.