所以每次当我们吃进柠檬、梅子、酸菜等酸的食物的时候,大脑就会下达指令分泌大量的唾液。
suǒyǐ měicì dāng wǒmen chī jìn níngméng 、méizi 、suāncài děng suān de shíwù de shíhou ,dànǎo jiù huì xiàdá zhǐlìng fēnmì dàliàng de tuòyè 。
As a result, when we are eating lemon, plum, pickled cabbage or other sorts of sour food, our brain would give orders to secrete a big amount of saliva.