Dioptase
n. [矿]绿铜矿
🗣️ 情景例句
He's running for the school board.
他正在竞选联合校董会董事。
I enclosed some photographs in my letter.
我在信封里装了一些相片。
Have a biscuit instead.Eat more and smoke less!
那就吃块饼干吧。多吃点，少抽点！