更新世时期 meaning in Chinese

pleistocene period 19 years ago

Mummies of pleistocene ground sloths, with original skin, hair, tendons and claws have been found .
还发现了保存原有皮肤，毛发，腱和爪的更新世时期地面树懒的木乃伊。
The skeleton is one of several from the pleistocene period , when these relatives of today ' s elephants roamed the region
这个骨骼化石属于更新世时期的一只猛犸象。那时，这些现今大象的亲属们正游荡在这一地区。