茶、咖啡、可可作为饮料有着悠久的历史。因为这三种饮料中都含有咖啡碱,所以适当饮用后,能起到消除疲劳、振奋精神、促进血液循环、利尿,提高劳动效率和思维能力等有益的作用。它们已成为当今人们饮食生活中的重要组成部分,被誉为世界三大饮料。茶属山茶科,落叶灌木,秋、冬开 Tea, coffee, cocoa have a long history as a drink. Because these three kinds of drinks contain caffeine, proper drinking, can play a beneficial role in the elimination of fatigue, boost the spirit and promote blood circulation, diuresis, improve labor efficiency and thinking ability. They have become an important part of people’s diet today, known as the world’s three major beverages. Camellia Camellia, deciduous shrubs, autumn and winter open