Grade-description system
[经] 分类法
🧩 词语组成解析
🗣️ 情景例句
to read to the students--their own children, really.
共同为学生们， 其实就是他们自己的孩子， 朗读
Friendship cannot stand always on one side.
来而不往非礼也。
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。