"Big brother, since you know this thing so well, then you must know everything about penicillin, right?"

"Don't buy it, if you ink for a while, you won't have to experiment anymore."

Wang Daotong, who was in a hurry to find the experiment, stomped his feet, looking bored.

"Uh-huh. ......

Chapter 168 Basic Common Sense is in the middle of the hand, please wait a while,

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