Let's give Pro Liu from Beijing a big hand for his brilliant speech.

让我们热烈鼓掌，欢迎来自北京的刘教授给我们做精彩演讲！

youdao

Let's give Pro Liu from Beijing a big hand for his brilliant speech.

让我们热烈鼓掌，欢迎来自北京的刘教授给我们做精彩演讲！

youdao