Such a complex association between creatures of four species has the hallmark of an ecologic happy family.

四种动物之间这种复杂的结合是生态学幸福家庭的标志。

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Such a complex association between creatures of four species has the hallmark of an ecologic happy family.

四种动物之间这种复杂的结合是生态学幸福家庭的标志。

youdao