1. Decongestants help ease stuffiness. They shrink swollen tissue inside the noses. 解充血药帮助缓解鼻塞，使内部肿胀组织收缩。
2. They are mainly manifested as nasal stuffiness and nasal discharge, sneezing, cough, fever, headache and so on. 风热感冒则表现为喉咙痛、流浓鼻涕、便秘、身热、口渴、心烦等。
3. Important: If you suspect that your child's cold is more than simple congestion and stuffiness, call your pediatrician. 注意：如果你怀疑孩子的感冒并不是简单的鼻塞和不通气，去看小儿科医生。
英英解释
n.
1. state of obstruction or stoppage or air in the nose or throat
2. the quality of being close and poorly ventilated
3. dull and pompous gravity
