Higher mathematics
[计] 高等数学
🧩 词语组成解析
[经] 上扬
🗣️ 情景例句
May I speak to the head of the household?
我可以请户主听电话吗？
Without all the facts, Helen could only conjecture a solution.
由于事实还没有全部完备，海伦只能臆测解决的方法。
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。