猛犸象是更新世时期的典型巨型动物之一。

Mammoths were one of the most famous ___megafauna during the Pleistocene epoch.

在博物馆里，孩子们被更新世巨型动物群的巨大骨架所震撼。

In the museum, children are amazed by the giant skeletons of Pleistocene ___megafauna.