opal /'әupәl/ 📖 中文释义 n. 蛋白石, 猫眼石[化] 蛋白石 🔗 释义中的汉语词 猫眼石 🧩 词形变化 复数 opals 📘 English Definition(英文释义) n. a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones ← opakapaka opal glass →