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。

youdao

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。

youdao