"Good morning, dear classmates" is a common Engpsh greeting. It is used to greet classmates in the morning, wishing them a good day.
The origin of the greeting is from the Engpsh language and culture, where mornings are traditionally considered a time to start a new day and to be greeted with a friendly and well-wishing phrase.
Here are some example sentences with their translations:
"Good morning, dear classmates, I hope you're all ready for a great day!"
(早上好，亲爱的同学们，希望大家都准备好迎接美好的一天！)
"Good morning everyone, let's get started!"
(早上好，大家，让我们开始吧！)
"Good morning classmates, it's great to see you all today."
(早上好，同学们，很高兴今天见到大家。)