Geigl and her colleagues looked at 3200-year-old fossil bones belonging to a single individual of an extinct cattle species called an aurochs.
盖格尔和她的同事们研究了3200年前的骨头化石，这些骨头属于一种已经灭绝的叫做欧洲野牛的种类。
Back in 1995, he extracted it from a 45 million-year-old fossil.
1995年，他从一块四千五百万年前的化石中提取了这种微生物。
Scientists have found a 67 million-year-old fossil of a snake coiled around dinosaur eggs and a hatchling.
科学家在一块6700万年的化石中发现了一条蛇盘绕在恐龙蛋和一只幼仔周围。
With the discovery of Ardi (above), 3.2-million-year-old fossil Lucy is no longer the oldest hominid skeleton known.
阿尔迪的发现(上图)，让距今320万年的露西化石不再是已知最早的人类遗骨。
A newly discovered group of 2.1-billion-year-old fossil organisms may be the earliest known example of complex life on Earth.
一组新发现的21亿年前的古老有机体化石可能是地球上已知最早的复杂生命体。
Hold your horses. I'll get you there in time. -why, you old fossil! That trolley hasn't been on time in 10 years!
别着急。我会让你及时到那里的。-为什么，你这个老化石！那辆电车在10年来从未准时过！
The 47 million-year-old fossil is the missing link between man and ape as the creature had opposable thumbs, and fingernails.
这块有着4700万年历史的化石之所以被称为是人与猿之间缺失的环节，是因为它的大拇指与其他手指相对，并且具有了手指甲。
The 47 million-year-old fossil is the missing link between man and ape as the creature had opposable thumbs, and fingernails.
这块有着4700万年历史的化石之所以被称为是人与猿之间缺失的环节，是因为它的大拇指与其他手指相对，并且具有了手指甲。
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