Haven't you seen a hydraulic machine?

A question silenced the entire lecture hall.

The students in Lingnan Prefecture also stopped whispering, and their eyes fell on Yan Liang.

"That's ...... It's a ......."

The "10,000 enemies" in "Old Sayings" can't be solved.

Although Yan Liang did not receive any criticism, those hundreds of glances made him unbearable.

The feeling of being in the limelight is not something that anyone can bear.

"Don't you know about hydraulic machines? You must not know Qu Yuanli and Tan Ran. “

"So, what do you know about steam locomotives?"

"Do you know the weight of the moon?

"Drive me to the fiefdom and become the strongest vassal king" Chapter 40 God is hitting the hand, please wait a while,

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