natural glass

基本解释

In the past few years, natural glass is increasing as one kind of gemstone materials in the market.
近年來，天然玻璃作爲寶石材料在市場的銷售開始慢慢增多。
For natural and artificial glass aggregates, the "Alkali Reactive Index" can be used to differentiate the reactive from the non reactive aggregates.
“堿活性指數”可作爲活性或非活性天然和人工質玻璃集料的判據。
For the main component of natural glass and man-made glass is silicon dioxide, and both of them have no defined crystal structure, it is hard to distinguish from each other.
由於天然玻璃和人造玻璃的主要成分都是二氧化矽，且都是無內部固定結搆的材料，使得二者難以區別。

but from the inside, you know, there's a lot of glass.And you can, like... There's a lot of natural light,
但是從裡麪看，有很多玻璃。這裡有很多自然光，
倫敦的金融中心地 - SpeakingMax英語口語達人

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