a gathering permeated with a spirit of cordial friendship充满亲切友谊的聚会

a rewarding trip不虚此行

add a new page to the history of给历史添加新的一页

alumnus/alumna，alumni校友

congenial atmosphere融洽气氛

courtesy call礼节性拜会

distinguished guest贵宾

eloquent remark雄辩的演讲

eye salute注目礼

farewell ceremony欢送仪式