1590s, from Middle French opalle (16c.), from Latin opalus (Pliny), supposedly from Greek opallios, possibly ultimately from Sanskrit upala-s "gem, precious stone." Used in Middle English in Latin form (late 14c.).
权威例句
1. Opal, his wife, didn't really like him drinking so much.
他的妻子奥珀尔不太喜欢他喝这么多酒。
2. Russia has another pipeline to play with : OPAL.
俄罗斯还有另一天然气管道项目欧泊( OPAL )可供考虑.
3. It was a round opal, red and fiery, set in a circle of tiny rubies.
那是一块圆形蛋白石,红红的, 象火焰一般, 上面镶着一圈红宝石.
4. Green changed to white, emerald to an opal: nothing was changed.
绿色倒入杯中,褪为乳白.翡翠抛离光芒, 化为猫眼: 一切如故.
5. Opal Darkbriar says , Make no mistake, it is just a temporary convenience.