同根派生 英汉例句I want to search out an old school friend.我想尋找我的一個老同學。He is my classmate of junior middle school.他是我初中時的同班同學。I met an old school friend today.今天我遇到了一位老校友。It was Old Girls' Weekend at her school.那一天是她學校裡的女校友周末聯歡日。