Sintercorundum
烧结金刚砂
🗣️ 情景例句
Good morning, Mr. Tao.
早上好，陶先生。
The sooner the better.
越快越好。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”