2. That might have something to do with how hunger heightens your sensitivity for
saltiness and sweetness.
饥饿提高人的对盐和糖的敏感程度可能是什么东西发生作用。
3. The results showed that people can detect lower concentrations of
saltiness and sweetness when they're hungry than when they're satiated.
结果显示人们在饥饿的时候比吃饱的情况下更能察觉低浓度的盐和糖溶液。