volcanic glass

基本解释

But in 2008, an analysis of a handful of lunar volcanic glass beads suggested they might have formed in a watery environment.
但是，在2008年，對少量月球火山玻璃碎屑的分析顯示它們可能是在含水的環境中形成的。
The ledge was covered with heavy ash, called tephra, and speckled with droplets of volcanic glass and delicate lava threads known as Pele's hair.
巖架上覆蓋了厚厚的火山灰燼，其間點綴著火山玻璃珠和被稱之爲火山毛（Pele's hair）的熔巖細線。
In 2008, research of volcanic glass beads brought attention to the fact that there might be more water in the moon's interior than scientists had previously thought.
在2008年，對火山玻璃珠的研究曏我們展現了一個事實：月球表麪水含量比科學家先前想的多出許多。

Ultra-sharp scalpels used in delicate procedures like eye surgery are still crafted by hand from volcanic glass called obsidian.
FORBES: No. 1 The Knife
Fassbinder films life in the cosseted class as a masque of glass and mirrors, replete with alluring deceptions and suave surfaces that belie volcanic passions.
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