Brait
粗金刚石, 未研磨的金刚石
🗣️ 情景例句
They graduated from high school last year.
他们去年高中毕业。
I've got a slight pain in my knee.
我的膝盖有点痛。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。