| 释义 |
o.palHEJ7p[l, $5oJ-na precious stone whose colour changes when the position of the person looking at it changes蛋白石A giant black opal worth ￡3 million has been found in Western Australia. [C]在西澳大利亚人们发现了一颗价值3百万英镑的巨大的黑色蛋白石。The pendant is made of opal and the chain is silver. [U]这个垂饰是由蛋白石制成的，链子是银的。
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