75-year-old Liu Qingnian is a senior engineer of an old cold drink company in Jinan, Shandong. He is engaged in the research, development, production and production of ice cream, ice cream and sorbet. Trying to eat is one of the key links. Liu Qingnian said that the first bite is called the head tone on the tip of the tongue, mainly to see if there is any other taste. The middle tone will stay in the mouth for a period of time... Do you eat ice cream "professional" enough?
Responsible editor: [Luo Pan]