C98 Wine mixing

Yan Ge took four wine cups and placed them in front of himself. Raising the dispenser of wine, he filled all the wine cups to the brim, and the wine cup formed a small convex on the surface of the cup. He put down the dispenser of wine and raised his head to look at Chen Donghua with a smile.

"Uncle Chen, this wine is pretty good, right? All the cups are convex lenses and car lights."

However