问题描述:
英语翻译
But in the past three decades,they have been under the threat around the world mainly from increased storms ,a growing number of arown-of-thorns starfish and coral bleaching.
But in the past three decades,they have been under the threat around the world mainly from increased storms ,a growing number of arown-of-thorns starfish and coral bleaching.
问题解答:
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