| 必修课 🇨🇳 | ar الالزامي | ⏯ |
| 必修一 🇨🇳 | 🇰🇷 필수 1개입니다 | ⏯ |
| 自修课 🇨🇳 | 🇬🇧 Self-study | ⏯ |
| 选修课 🇨🇳 | 🇬🇧 Elective course | ⏯ |
| 是先修课 🇨🇳 | 🇬🇧 Its a first course | ⏯ |
| 必须上课 🇨🇳 | 🇯🇵 授業に出席しなければならない | ⏯ |
| 选修课和公开课 🇨🇳 | 🇬🇧 Elective sand and public courses | ⏯ |
| 必要的课程 🇨🇳 | 🇬🇧 Necessary courses | ⏯ |
| 你必须好好听课 🇨🇳 | 🇬🇧 You must listen to the class well | ⏯ |
| 第二,你必须上课认真 🇨🇳 | 🇬🇧 Second, you must take lessons seriously | ⏯ |
| 你必须不能上课睡觉 🇨🇳 | 🇬🇧 You must not sleep in class | ⏯ |
| 我必须每节课前预习课文并且下课后复习 🇨🇳 | 🇬🇧 I have to preview the text before each class and review it after class | ⏯ |
| 能修就修 🇨🇳 | 🇬🇧 Can repair on the repair | ⏯ |
| 我每个星期必须上四节课 🇨🇳 | 🇬🇧 I have to have four classes a week | ⏯ |
| 首先,你上课必须认真听讲 🇨🇳 | 🇬🇧 First of all, you must listen carefully in class | ⏯ |
| 修复 🇨🇳 | 🇯🇵 修理 | ⏯ |
| 合格 🇨🇳 | 🇯🇵 修飾 | ⏯ |
| 修理吗 🇨🇳 | 🇯🇵 修理 | ⏯ |
| 修 🇨🇳 | 🇬🇧 Repair | ⏯ |