| 释义 |
volcanic glass vɔlˈkænɪkɡlɑ:s 短语¹⁰⁶¹⁰⁰⁺⁵
基本英英例句
n.地火山玻璃;松脂石
Noun:
a kind of natural glass produced when molten lava cools very rapidlyA usually black or banded, hardvolcanic glassthat 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 |