"天然宝石"是个多义词，它可以指天然宝石（宝石学术语）,天然宝石（天然宝石的定义）,天然宝石（董振信著图书）。
许多人甚至不知道有一个美丽的天然宝石称为锆。
Many people don't even realize that there is a beautiful natural gemstone called zircon.
目的调查人造宝石厂和天然宝石厂粉尘危害情况。
Objective To survey the hazardous impact of gem dust on the health of workers.
天然宝石般清新透明，塑造洗练优雅气质，这是耳坠还是耳机？
Natural jewel-like fresh and transparent, and shape Xilian elegant temperament, which is earrings or a headset?
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