It’s only been latterly that we’ve discovered that it’s lots of individual reefs, around about 2,900 separate reef systems which make up the Great Barrier Reef.
直到近来我们才发现,它们其实是众多独立

,大约有2900个独立

系,组成了大堡
。
It’s only been latterly that we’ve discovered that it’s lots of individual reefs, around about 2,900 separate reef systems which make up the Great Barrier Reef.
直到近来我们才发现,它们其实是众多独立

,大约有2900个独立

系,组成了大堡
。
声
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