Man was defined as a rational being, as a social animal, an animal that can make tools, or a symbol-making animal.

人类被定义为一种理性的存在，一种群居动物，一种可以制造工具的动物，或者一种制造符号的动物。

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Archaeologists revised the date after spotting distinctive cut and crush marks made by stone tools on animal bones dating to 3.4m years ago.

考古学家在辨认出340万年前的动物骨头上，存在石器工具造成的明显变形的切割痕迹后，修改了人类最早使用工具的时间。

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Thus man was defined as a rational being, as a social animal, an animal that can make tools, or a symbol-making animal. CET-6, 2004.1.

所以人类被定义为一种理性的生命，一种社会动物，一种能制造工具、制造符号的动物。

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Other important animal tools include the saddle, bridle, the stirrup, the yoke, the whip.

FORBES

This succeeds far better with the wide array of comparative art examples in the catalog than in the exhibition itself, where a smattering of works by Henri Matisse, Henry Moore and others seem more like a distraction from the many exquisite Ice Age examples, which also include spectacular animal carvings and decoratively engraved tools.

WSJ: Artistry, Not Answers | Ice Age Art: Arrival of the Modern Mind | British Museum | By Tom L. Freudenheim

Archaeologists have unearthed Neanderthal graves containing weapons, tools and the bones of a sacrificed animal, all of which suggest some kind of belief in a future world that was similar to their own.

NPR: Karen Armstrong: Myths and the Modern World