它清楚地显示了龙王鲸是由陆地生物进化而来的。

It clearly shows Basilosaurus's evolution from land creatures.

youdao

龙王鲸无疑是一种完全海生的鲸鱼，它的后腿可能没有功能，或退化了。

Basilosaurus was undoubtedly a fully marine whale with possibly nonfunctional, or vestigial, hind legs.

youdao

在特提斯海留下的沉积物中发现了另一种早期鲸鱼龙王鲸的几具骨架，它们现在暴露在撒哈拉沙漠中。

Several skeletons of another early whale, Basilosaurus, were found in sediments left by the Tethys Sea and now exposed in the Sahara desert.

youdao