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
At six o'clock this evening.
今晚六点。
We can spend hours talking about computers.
我们可以花些时间一起聊聊电脑。
The product gives you an edge over your competitors,I guess.