Ballas
半刚石(工业用金刚石), 玫红尖晶石
🔁 扩展释义
【化】 半刚石(工业用金刚石)
🗣️ 情景例句
I need to make an appointment with you tonight.
我想今晚约你。
The telephone is ringing,would you answer it,please?
电话正在响,你接吗？
Yes, he's on the phone. Is he expecting you?
在家，他在打电话。他是在等你吗？