你可以做个简短的自我介绍.我不清楚你要讲题是讲什么题.
就说Good morning everyone, welcome to our class. My name is xxxx, and I am now going to say sth about the topic of xxxxx.
你可以做个简短的自我介绍.我不清楚你要讲题是讲什么题.
就说Good morning everyone, welcome to our class. My name is xxxx, and I am now going to say sth about the topic of xxxxx.