| 单词 | 老师上课 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ball〕With so many intelligent students, the teacher must always be on the ball.班上有那么多聪明学生，老师上课时必须时刻随机应变韦氏高阶Our class had a sub today because our teacher is ill.今天由代课老师上课，因为我们的老师病了。剑桥国际Our history teacher is always generalizing. 我们历史老师上课总是泛泛而谈。译典通 |
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