Perlite, obsidian and pitchstone are volcanic glass having the same compositions commonly with rhyolite as well as andesite and basalt.
珍、耀和松脂等玻质熔以酸为主，者也常见。
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Found in modern day Turkey, these primitive mirrors were made out of a polished volcanic glass called obsidian.
在土耳其发，这些原始镜子是由一种叫做黑曜石抛光火制成。
Also, in terms of ancient stone tools, they're gonna use things like obsidian, it's volcanic glass.
此外，就古石器而言，他们会使用黑曜石，这是火。
The villagers harvested wheat, raised animals and used simple tools made of bone and volcanic glass.
村民们收割小麦，饲养动物，并使用由骨头和火制成简单工具。
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划词翻译
详细解释
、
耀和松脂等玻
质熔以酸
为主，
者也常见。
土耳其发
简单工具。
