虽然只有一个头骨，但帕基塞图斯化石提供了有关鲸类起源的珍贵细节。

Although limited to a skull, the Pakicetus fossil provides precious details on the origins of cetaceans.

youdao

虽然只有一个头骨，但帕基塞图斯化石提供了有关鲸类起源的珍贵细节。

Although limited to a skull, the Pakicetus fossil provides precious details on the origins of cetaceans.

youdao