它们无论作为顶端掠食者还是过分捕捞的指示生物都在生态系统中扮演着重要的角色。

They can also have an important role in the ecosystem as top predators or as indicators of overfishing.

youdao

它们无论作为顶端掠食者还是过分捕捞的指示生物都在生态系统中扮演着重要的角色。

They can also have an important role in the ecosystem as top predators or as indicators of overfishing.

youdao