Grade separation
[经] 等级分类
🧩 词语组成解析
🗣️ 情景例句
My parents expect nothing but high marks.
我父母就希望我考高分。
How can you do such a thing?
你怎么能做这种事情呢？
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。