Higher mathematics
[计] 高等数学
🧩 词语组成解析
[经] 上扬
🗣️ 情景例句
What shade do you recommend for me?
你给我推荐什么样的颜色？
Do we exist?
我们实际存在吗？
Haven't you heard of him? He's a very famous singer. He's singing at the New Theatre on Saturday.
你没听说过他吗？他是个著名歌手。他星期六将在新剧院演出。