The stone tool made by Neanderthals suggests otherwise.
尼安德特人制造的石制工具却表明了另一种情况。
Does this chipped stone tool hold the secret of speech?
这块打制石器是否隐藏着语言的秘密？
The Acheulean stone tool kit that succeeded it lasted for 1.5 million years.
它之后的阿舍利石器工具包保持了一百五十万年。
Recently, scientists have looked at what happens inside the brain when a stone tool is being made.
近来科学家研究了制造工具的过程人类大脑中的活动情况。 他们采用现代医学扫瞄仪来观察当石匠加工石器时，大脑的哪部分会被使用到。
That's a million years earlier than our best previous evidence for human ancestor stone tool use and meat eating..
与之前发现的最好的证据相比，此次发现将人类祖先使用石器和食肉的时间提前了一百万年。
That's a million years earlier than our best previous evidence for human ancestor stone tool use and meat eating.
与之前发现的最好的证据相比，此次发现将人类祖先使用石器和食肉的时间提前了一百万年。
Tribal primitive society to use the wood, and stone tool production embodies the culture of hunting fishing and hunting, the new Paleolithic culture;
原始社会部落人使用的竹木器、石器生产工具体现着狩猎渔猎文化、新旧石器文化；
That's a million years earlier than our best previous evidence for human ancestor stone tool use and meat eating… The finding appears on the cover of the journal Nature.
与之前发现的最好的证据相比，此次发现将人类祖先使用石器和食肉的时间提前了一百万年。，这已经在《自然》杂志上作为封面新闻刊登了出来。
Fossilized bones that show evidence of human ancestor stone tool use and meat-eating push the earliest dates for those activities from about 2.5 million to 3.4 million years ago.
之前发现最早的人类关于石器使用和肉类食用的时间使250万年前，然而最新发现的化石有证据显示，这个时间有可能要被提前到340万年前。
In 1996, the team uncovered antelope, horse, and other mammal bones showing the telltale cut marks of stone tools-at 2.5 million years, one of the earliest signs of tool use.
1996年，研究小组在此出土了带有石制工具切痕迹象的羚羊骨、马骨和其他哺乳动物的骨骼，其年代要回溯至250万年前，这是古人类有使用工具迹象的最早时期。
"Now, when we imagine Lucy walking around the east African landscape looking for food, we can for the first time imagine her with a stone tool in hand looking for meat," said McPherron.
“现在，当我们想象‘露西’行走在东部非洲的景色之间，去寻找食物的时候，我们能够破天荒地想象她手里拿着石器工具在寻找肉类，”香农说。
The objects had to cover the whole world, from a cooking pot to a golden galleon, from a tool in the Stone Age to a credit card.
这些物品必须覆盖整个世界，从一个烹饪锅到一艘金色的帆船，从石器时代的工具到一张信用卡。
And finally the markings on the bodies and the details of the eyes were carefully incised with a stone engraving tool.
最后，再利用一种石制雕刻工具对诸如身体与眼神等部位细节进行精雕细琢。
The raw stone ''was just not suitable for tool production'' said Mr Brown.
布朗说，这些原始石材“并不适合制造工具。”
In body size and limb proportions it was much like modern people. Its stone-tool culture, known as the Acheulean, was typified in most regions by big, symmetrical hand axes.
它们的身材和四肢比例与现代人很相似，其石制工具文化被称为阿舍利文化，对称的大型手持斧头是大部分地区阿舍利文化中的典型工具。
The archaeologists did find evidence of tool use, including stone hammers and blades.
但是考古学家们确实在此找到了供人们使用的工具存在的证据，它们找到的工具包括石锤和石刀。
Until now, the oldest evidence of stone-tool use was a haul of more than 2,600 stone flakes estimated to be 2.5m years old that was discovered in another part of Ethiopia in 1997.
迄今为止，人类使用石器工具的最早证据是大约250万年前发现的超过2600多片的石头薄片，这是1997年在埃塞俄比亚的另一个地区发现的。
Until now, the oldest evidence of stone-tool use was a haul of more than 2, 600 stone flakes estimated to be 2.5m years old that was discovered in another part of Ethiopia in 1997.
迄今为止，人类使用石器工具的最早证据是大约250万年前发现的超过2600多片的石头薄片，这是1997年在埃塞俄比亚的另一个地区发现的。
To test the theory, the scientists recreated what ancient tool makers might have done by heating a pile of silcrete stone in a fire pit.
为了检验这个理论，科学家们通过在一个火坑里加热砾岩石，重现了远古工匠们可能的做法。
Our stone chopping tool was one of the ones that Leakey found.
我们这块石制砍砸器正是当初利基发掘成果之一。
Our next object is the tool that people took with them when they first left Africa and began to spread around the world - it's been called the Swiss Army knife of the Stone Age ...
我们的下一件物品是人类走出非洲，走向全世界时最初带在身上的物品，这被称之为石器时代的瑞士军刀。
Once this is done I can make the RTV molds, produce tool stone plugs and away we go.
一旦这样做，我可以使室温硫化模具，生产工具，石插头和远离我们。
They were primed for tool use, even though it would be another two million years or so before our ancestors began to fashion the first stone blades, choppers and axes.
他们已经会使用工具，虽然我们的祖先还要再过大约200万年才开始制作最早的石刀、石斧等等。
Changing the process - push Specification By Example as part of a culture change, focus on improving quality, start with functional test automation, introduce a new tool, use TDD as a stepping stone.
改变过程时，将实例化需求作为文化变革的一部分推出，关注质量的提高，从自动化功能测试开始，引进新的工具，使用TDD作为阶梯。
Olduvai stone chopping tool (made 1.8 million years ago) found in Olduvai Gorge, Tanzania, East Africa.
出土于东亚坦桑尼亚奥杜威峡谷的石制砍砸器，约制造于180万年前。
After the molds are cured I'll run some tool stone plugs and do a test run.
之后，模具治愈，我会执行一些工具，石材插头和做了试运行。
Diamond wire saw is an environment friendly stone cutting tool which is extremely promising for further development.
金刚石绳锯是一种环保型的石材加工工具，极具发展潜力。
Diamond wire saw is an environment friendly stone cutting tool which is extremely promising for further development.
金刚石绳锯是一种环保型的石材加工工具，极具发展潜力。
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