Smaller-sized relatives in the genus Wakaleo, or 'little lions, ' first appeared in the Late Oligocene epoch, around 25 million years ago.
Wakaleo 属中体型较小的近亲首次出现于渐新世晚期,距今约 2500 万年前。
单词 | Oligocene epoch |
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原声例句
PBS地球-动物趣闻 Smaller-sized relatives in the genus Wakaleo, or 'little lions, ' first appeared in the Late Oligocene epoch, around 25 million years ago. Wakaleo 属中体型较小的近亲首次出现于渐新世晚期,距今约 2500 万年前。 PBS地球-动物趣闻 And by the start of the Oligocene epoch, about 35 million years ago, giants like Paraceratherium measured a whopping 4 to 6 meters tall at the shoulder and around 7.5 meters long. 在大约 3500 万年前的渐新世初期,像 Paraceratherium 这样的巨人的肩高高达 4 到 6 米,长约 7.5 米。 |
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