As the wine banner of the tavern in Chang'an rippled with blue crystal light, an abacus bead of Zhang Yifan plunged with a plop into the wine cup of the Sogdian merchant Abbas, bouncing inside the cheap wine to spell out the word "murky": "Does the lord know what lactic acid bacteria look like?" Abbas drained his cup with a dark face, but the bead bounced into the word "bacteria" right in his throat, forcing him to spit out foam shaped like an abacus bead.
"Watch closely!" Pei Hongxiu lifted the cover of the abacus bead microscope, and the bead bounced on the microscope slide to spell "cute"—the lactic acid bacteria were dyed in blue crystal color, unexpectedly lining up in the formation of Huwa flying a kite. Moli raised her brush to paint *The Adorable Bead Bacteria*, and the bead immediately bounced onto her painting, turning the bacteria into little chubby figures holding abacus beads.
Huwa ran over holding an abacus bead culture dish carved with his knife: "Brother Fan! The Sogdian merchant is actually using yogurt dregs to pass off as lactic acid bacteria!" The bead jumped into the culture dish, spelling out "vomit", and the yogurt dregs instantly floated up with abacus bead-shaped patterns of disgust. The Protagonist chuckled lightly, the bead bouncing among his sleeves to spell "fake": "If the Sogdian merchant is willing to learn, the abacus bead can be taught for free—" The bead traced an arc, "As for the tuition fee..."
Chapter 206