11. Lovers swap saliva containing various substances e.g. fats, mineral salts, proteins while kissing. According to latest studies, the exchange of the above substances can give a boost to the production of antibodies which are made specifically to deal with the antigens associated with different diseases as they are encountered。
情人接吻时交换的唾液含有多种成分,比如脂肪、矿物质、蛋白质等。根据最新的研究,这些物质的交换可以增强抗体的产生,这些抗体是在面对疾病的不同抗原所特别产生的。