Bortz
n. [矿]圆粒金刚钻
🗣️ 情景例句
Oh my!
啊！
He has a writig brush.
他有一支毛笔。
It's just the matter of the schedule,that is,if it is convenient of you right now.
如果你们感到方便的话，我想现在讨论一下日程安排的问题。