And it only approached the Asian Sunda continental shelf in the west around 20 to 25 million years ago in the late Oligocene or early Miocene epoch.

而且，它只有在大约 2,000 万到 2,500 万年前的渐新世晚期或中新世早期和在西面的亚洲巽他古大陆接壤。

It's known today as Epicyon, and it stalked North America from sixteen million to seven million years ago, during the Miocene epoch.

它今天被称为 Epicyon，它在 1600 万到 700 万年前的中新世时期一直在北美徘徊。

As the Miocene epoch was drawing to a close, bone-crushing dogs roamed North America from Maryland to California and from Montana to Mexico.

随着中新世时代接近尾声，碎骨犬在北美洲从马里兰州到加利福尼亚州， 从蒙大拿州到墨西哥漫游。

They unearthed a fossilized braincase and  some vertebrae from a weird mammal dating back to about 17 million years  ago, to the early Miocene epoch.

他们出土了一个化石脑壳和一些来自一种奇怪哺乳动物的椎骨，其历史可以追溯到大约 1700 万年前的中新世早期。

For starters, it turns out there were three species of this giant ape, the earliest of which dates back about 9 million years, to the Miocene epoch.

对于初学者来说，事实证明这种巨猿有三种，其中最早的可以追溯到大约 900 万年前的中新世时期。