Poison dart frogs, like this sapphire-blue species, are highly toxic.

像这种蓝宝石颜色的毒箭蛙，有剧毒。

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They are the dart-poison frogs of Central and South America.

它们是生活在美国中南部的箭毒蛙。

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They are the dart-poison frogs of Central and South America.

它们是生活在美国中南部的箭毒蛙。

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