然而直到最近人们对后生动物的这些机制几乎仍一无所知。

But until recently, we knew nothing about these mechanisms in metazoans.

youdao

然而直到最近人们对后生动物的这些机制几乎仍一无所知。

But until recently, we knew nothing about these mechanisms in metazoans.

youdao