They may be ancient "beer-making tools", and the earliest direct evidence of beer brewing in China, the researchers reported in the Proceedings of the National Academy of Sciences.

研究人员在《国家科学院院刊》上报告称，它们可能是古代的“酿酒工具”，也是中国酿造啤酒最早的直接证据。

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In 1905, eleven-year-old Frank Epperson left his soda-making tools outside overnight.

1905年，11岁的弗兰克·易普森(Frank Epperson)把他的苏打制作模具落在外面放了一整夜。

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So we not only know they were making tools, we also know what they were doing with them—extracting nutrition from large mammal carcasses.

因此我们不但知道它们会制造工具，而且还知道它们如何使用工具——利用这些工具可以从哺乳动物身上获取更有营养的部分。

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"I suppose the first really significant thing that the world heard about was chimpanzees using and making tools.

VOA: special.2009.11.18

The ancient Aztec civilization in current day Mexico used obsidian for making hunting tools and jewelry.

VOA: special.2009.09.16

She saw chimps making and using tools to help them trap insects.

VOA: special.2009.11.18

"I was interested in going out and making tools for people to use, " he says.

CNN: His other car is on Mars

In 1958 the 23-year-old opened his own molding shop, making tools for the manufacture of eyeglass frames.

FORBES: Tough Guy

In 1958, at 23, he opened his own molding shop, making tools for the manufacture of eyeglass frames.

FORBES: Lens master