Students, please be quiet. What we are going to talk about in this class today is... The second class in the morning is mathematics. The person standing on the podium focused on teaching to the students is Li Yueting, the head teacher of Class 3, Grade 1. She is 38 years old this year. Although she is already middle-aged, her skin and figure are still similar to women who are almost 30 years old. Her delicate face and beautiful figure are all envied by her peers.A standard melon-shaped face, even if you don’t need to put on any makeup, is the same as 20 years ago!