Customer: My eyes itch and I feel a sensation of dryness.
顾客：我眼睛有些干涩，还有些痒。
2
Acidity is a desirable characteristic in coffee. It is the sensation of dryness that the coffee produces under the edges of your tongue and on the back of your palate.
酸度是咖啡的必备特征，是咖啡在舌下边缘和后腭产生的干的感觉。
3
The control group, jealous, eye burning, foreign body sensation, dryness, irritation, itching, eye fatigue symptoms improved, but need to continue medication on time every day.