Higher mathematics
[计] 高等数学
🧩 词语组成解析
[经] 上扬
🗣️ 情景例句
They talk about things like family, work, school or sports.
他们常常谈论家庭，工作，学校或运动。
Beloved son.
被宠爱的儿子。
Something may have happened to her.
她可能发生意外了。