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Science Time

Man-made beauty

作者:21ST
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人造宝石给我们带来的不仅仅是美丽。

DO you know about gemstones (宝石) such as diamonds (钻石)? Their beauty always catches your eye. They are gifts from nature. But now we can get gemstones from labs (实验室) and use them for more than just jewelry (珠宝).
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