那些穿着格子衬衫和卡其裤的学生是典型的预科生。

Those students wearing plaid shirts and khakis are typical ___prepsters.

她嘲笑他是个典型的装腔作势的预科生，连喝咖啡都要摆出最优雅的姿势。

She teased him for being such a ___prepster, posing with the most elegant posture even while drinking coffee.