noun 下载 🔗分享 减充血剂,收缩血管药。 A drug that relieves congestion, e.g. pseudoephedrine. Examples : "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。 medicine substance 与AI对话词汇游戏阅读练习