If wood lathe shaping tools are at your disposal, you can skip this section.
若木车床成型工具为您处理，您可以跳过本节。
Those hands were shaping stone tools; tools that represent the first step on the great journey of shaping our world.
那些人手塑造出来的石器工具，那些代表着我们塑造世界伟大征程第一步的工具。
Prehistoric people in southern Africa developed a highly skilled way of shaping stones into sharp-edged tools long before Europeans did, suggested a study released recently.
最近发布的一项研究报告表明，居住在非洲南部的史前人类发明了远胜过欧洲旧石器时代的高超削石方法，此方法可把石头刮削成锋利的器具。
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