Vocab Bloom Hub

volcanic glass

/vɒlˈkænɪk ɡlɑːs/

翻译: 火山玻璃是一种天然玻璃,由熔岩快速冷却形成,因冷却过快而无法结晶;最常见的类型是黑曜岩。

1 个条目

phrase

/vɒlˈkænɪk ɡlɑːs/C1formalscientific
  • zh火山玻璃是一种天然玻璃,由熔岩快速冷却形成,因冷却过快而无法结晶;最常见的类型是黑曜岩。

A natural glass formed when molten lava cools rapidly, preventing crystal growth, commonly known as obsidian.

  1. Natural glass from lavaB2formal

    A type of natural glass formed when molten lava cools rapidly, preventing crystal formation.

    zh火山玻璃

    • Obsidian is a common type of volcanic glass used by ancient people for tools.
    • Volcanic glass can be found near old lava flows.
    • The rapid cooling of lava creates volcanic glass with a smooth texture.