试讲前的一段英语介绍,简短几句话该怎么说呢?

My name is ...,I'm very glad to have this chance of standing here today, we are going to talk about....,firstly we'll get into...

试讲前的英语介绍简短精练最重要，稍微介绍下自己然后直接引入试讲内容

happy to see you ,I am ** hope everyone to de glad!

I am honoured to make my trial lecture here, and I hope you could enjoy my lecture in the next 20 minutes!
这不是你准备好的吗？我帮你翻了一下，挺不错的！祝你成功！

My name is ... I'm very glad/ (happy) to make a test speech here, and I hope all of you can enjoy the next 20 minutes. Today I want to / My topic is ...

ladies and gentleman,allow me to introduce myself pls,my name is...from...