在人工合成亚力山大石流行的今天，内含物是鉴别宝石天然纯度的一个重要标志，有助于我们将天然宝石与人工合成赝品区别开来。
Given the prevalence of synthetic Alexandrite, they are also a fascinating hallmark of authenticity that helps us distinguish real gems from artificial impostors.
在人工合成亚力山大石流行的今天，内含物是鉴别宝石天然纯度的一个重要标志，有助于我们将天然宝石与人工合成赝品区别开来。
Given the prevalence of synthetic Alexandrite, they are also a fascinating hallmark of authenticity that helps us distinguish real gems from artificial impostors.
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