亲爱的老师们同学们，大家上午好！

Good morning, boys and girls. Good morning, dear teachers!

youdao

亲爱的老师们，同学们：大家下午好！欢迎收听快乐英语广播！

Dear teachers and students, good afternoon. Welcome to listen to our English broadcast — Happy English World!

youdao

尊敬的老师们，亲爱的同学们大家下午好！欢迎参加今天的校园风采大赛。

Good afternoon my dear teachers, boys and girls. I want to welcome you to today's English Contest.

youdao