the second classroom activity的用法和樣例：
例句
- The teacher plays a very active part in this type of classroom activity.
老師在這類(lèi)課堂活動(dòng)中起著(zhù)十分積極的作用。 - As one of the most often used classroom techniques, research in role playing is quite significant.
作為外語(yǔ)教學(xué)中最常見(jiàn)的一種課堂活動(dòng)手段的角色扮演活動(dòng)，對其的研究確實(shí)具有重要的意義。
