Lin Qin sat in the back row as usual, and his gaze had just been withdrawn from the projection screen.

"Students, what do you see in this video?" The old professor held the lectern with one hand and looked down with a loving smile.

The students exchanged and discussed in twos and threes, and after he quietly observed, he continued...

"I Don't Know the Fall" 70 millet pepper is being eaten as a meal, please wait a while,

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