大家好，我是知行英语，很高兴能和大家在西电见面。

Hi, everybody! This is AfterClass. It's very nice to be meeting you here.

youdao

大家好，我是知行英语，很高兴能和大家在西电见面。

Hi, everybody! This is AfterClass. It's very nice to be meeting you here.

youdao