青云翻译

This is the first time college freshmen listen to American professor lectures, the first 20 minutes they did not really understand what he was saying.

This is the first time I heard college freshman United States Professor lectures, they listen to in the first 20 minutes do not understand what he is saying.

This is the university freshman class newborn first time listens to the American professor's course, they listen in the first 20 minutes not too to understand him to say any.

This is the first year at university students heard for the first time the United States, Professor lectures in the first 20 minutes, they are hard to understand what he is saying.

This is the first time I heard college freshman United States Professor lectures, they listen to in the first 20 minutes do not understand what he is saying.