Earlier studies found water in glass beads formed by volcanic activity on the moon.

早期研究现，月球上活动形成玻璃珠中含有水。

Also, in terms of ancient stone tools, they're gonna use things like obsidian, it's volcanic glass.

此外，就古代器而言，他们会使用黑，这玻璃。

Found in modern day Turkey, these primitive mirrors were made out of a polished volcanic glass called obsidian.

在现代土耳其现，这些原始镜子由一种叫做黑抛光玻璃制成。

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，并使用由骨头和玻璃制成简单工具。

Earlier studies found water in glass beads formed by volcanic activity on the moon. Those studies used material collected on the moon by American astronauts more than fifty years ago.

早期研究现，月球上活动形成玻璃珠中含有水。这些研究使用了50多年前美国宇航员在月球上收集材料。

Shipton's team's excavation of the shelters at the Kelo site unearthed a volcanic glass substance called obsidian, which must have been brought over from another island, as there is no known source on Obi.

希普顿团队对 Kelo 遗址避难所进行了挖掘，现了一种叫做黑玻璃物质，它一定从另一个岛屿带来，因为 Obi 没有已知来源。