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
No sweet without sweat.
不流汗就没有幸福。
To lose a freind is the greatest of all loses.
失掉朋友是一切损失中最大的损失。
Let's imagine a hypothetical case where we disagree.