名词
中文翻译：原始的石器同义词
同义词：
['primitive stone tool', 'primitive implements']
例句：
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1. The discovery of the first human ancestors has sparked a debate on the origins of modern humans.
首次发现人类祖先引发了对现代人类起源的辩论。
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2. In prehistoric times, humans relied on simple tools made from stone to survive.
在史前时代，人类依靠简单的石头工具生存。
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3. Archaeologists have unearthed primitive stone tools that suggest our ancestors were skilled craftsmen.
考古学家发现了原始的石器，表明我们的祖先是熟练的工匠。