volcanic glass
英
美
- n.[地]火山玻璃;松脂石
详细释义
Noun:
-
a kind of natural glass produced when molten lava cools very rapidly
双语例句
- A usually black or banded, hard volcanic glass that displays shiny, curved surfaces when fractured and is formed by rapid cooling of lava.
黑曜岩火山玻璃,一般为黑色,带状,摔碎时色泽光亮,表面变曲,由火山熔岩迅速凝而成
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