第三，我们已经收集到有关始新世时代植物灭绝的地质证据。

And third, there is geological evidence for plant extinctions in the Eocene.

youdao

第三，我们已经收集到有关始新世时代植物灭绝的地质证据。

And third, there is geological evidence for plant extinctions in the Eocene.

youdao