quartz
/k(w)ɔɹts/ 名词 C1中文： 水晶、石英
- The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO₂. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.
- Crystal meth: methamphetamine hydrochloride.
复数 quartzes
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