opals n. 蛋白石, 猫眼石, 乳色玻璃( opal的复数形式 ) 释义与例句 n. 1. plural of opal 相关短语 fire opals boulder opals wood opals pineapple opals black opals pipe opals fire opal [化] 火蛋白石 boulder opal wood opal pineapple opal black opal 黑蛋白石 pipe opal