From Ethiopia: Paleoanthropologists unearthed a 1.4-million-year old hand ax made from a hippo's leg bone.

古人类学家发掘出了把140万年前用河马腿骨制成的手斧。

All this leaves ample room for arguments, of course, and nobody likes to argue more than paleoanthropologists.

所有这些都肯定为日后的争论留出了很大的空间，也没有任何人比古人类学家争论的了。

LEE BERGER: Homo Naledi has done something that I thought would never happen to me as a paleoanthropologist.

作为古人类学家，纳莱迪人做了件我认为永远不会发生在我身上的事情。

Also, as a paleoanthropologist, guys, this is basically a map of some of the most important places in the human journey.

作为名古人类学家，这基本上绘制出人类历史上最重要的地方。

So I'm a paleoanthropologist, I'm a National Geographic Explorer specializing in fossil hunting in caves in unstable, hostile and disputed territories.

我古人类学家，我国家地理探险员，专攻不安定，危险和争端地区的化石搜寻。

To add to the confusion, individual forms often went by a succession of different names as paleoanthropologists refined, reworked, and squabbled over classifications.

惟恐天下不乱，许多名称又随着古人类学家对分类的提炼、修正和争吵不休而被冠以连串别的名称。

Rick Potts is a paleoanthropologist and director of the Human Origins Program at the Smithsonian Institution's National Museum of Natural History in Washington D.C.

瑞克·波兹（Rick Potts）古人类学者，也位于华盛顿特区的史密斯博物馆所属的美国国家自然历史博物馆研究人类起源项目的负责人。

LEE BERGER: I'd taken over from a very powerful and famous paleoanthropologist named Phillip Vallentine Tobias, and I had made some discoveries.

我接替了位非常有影响力的著名古人类学家的工作，他叫菲利普·瓦伦丁·托比亚斯，我有了些发现。

ALICE WINKLER: People like Lee Berger are called paleoanthropologists, but it would be hard to argue that there are many paleoanthropologists like Lee Berger.

像李·伯格这样的人被称为古人类学家，但很难说有很多像李·伯杰这样的古人类学家。

In fact, paleoanthropologists now tend to believe that the tool part of Oldowan rocks were the pieces flaked off these larger stones, which could then be used for cutting.

实际上，今天古人类学家认为，奥都咸石器从大块的石头上敲下来的，当时可以用来切割东西。

She did have to start that boring secretarial job in Nairobi, but luckily, it didn't last long because soon enough, she heard about the famous paleoanthropologist working nearby, Louis Leakey.

她不得不在内罗毕开始那份无聊的文秘工作，但幸运的，这份工作没持续多久，因为很快，她就听说了在附近工作的著名古人类学家路易斯·李基。