名词
中文翻译：光学燧石同义词
同义词：
['optical stone', 'optical flintstone']
例句：
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1. The ancient civilizations reliedon the use of optical flint fornavigation and communication.
古代文明依靠使用光学燧石进行导航和通信。
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2. The discovery ofoptical flintstones has sparkedrenewed interest in prehistoric technology.
发现光学燧石引发了对史前技术的兴趣。
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3.In ancient times, optical flintstones were often used as tools to shapeand carve objects.
在古代，光学燧石经常被用作工具来塑造和雕刻物体。