他们的课堂必须让人兴致盎然而不是昏昏欲睡。

They should make their lessons interesting so you don't fall asleep in them.

youdao

他们的课堂必须让人兴致盎然而不是昏昏欲睡。

They should make their lessons interesting so you don't fall asleep in them.

youdao