noun🔗Share减充血剂，收缩血管药。 A drug that relieves congestion, e.g. pseudoephedrine."I took a decongestant to help me breathe better during my cold. "为了缓解感冒时的呼吸不畅，我吃了减充血剂。medicinesubstanceChat with AIVocabulary GamePractice Reading
