opal
n
bluish-white or milky-white semi-precious stone, often used in jewellery, in which changes of colour are seen 蛋白石
a bracelet made of opals 蛋白石手镯
[attrib 作定语]
an opal ring 蛋白石戒指.
🗣️ 情景例句
It's nothing.
没什么。
We're having some friends over. What are you doing?