| 例句 |
It's difficult to get interesting teaching materials simply written.写得简单的有趣的教学材料是很难获得的。Videos often make good teaching material.录像常常可用作很好的教学材料。Teaching materials should match individual students' needs.教学材料应该满足每一个学生的需要。This book has been invaluable as a source of teaching materials.这本书一直是极其宝贵的教学材料。 |