/ˌbrɒŋ.koʊ.daɪˈleɪ.tər/
支气管扩张剂,一种能够放松和扩张气道(支气管)的药物,常用于治疗哮喘、慢性阻塞性肺病等呼吸系统疾病。
The doctor prescribed a bronchodilator to help her breathe more easily during asthma attacks.
医生给她开了一种支气管扩张剂,以帮助她在哮喘发作时更顺畅地呼吸。
Long-acting bronchodilators are often used as maintenance therapy for patients with chronic obstructive pulmonary disease, reducing the frequency and severity of breathing difficulties.
长效支气管扩张剂常被用作慢性阻塞性肺病患者的维持治疗,以减少呼吸困难的发作频率和严重程度。
该词由两部分组成:broncho- 来自希腊语 bronchos,意为"气管、支气管";dilator 来自拉丁语 dilatare,意为"扩张、使变宽"。合在一起,字面意思就是"使支气管扩张的东西"。这个词在20世纪随着现代呼吸医学的发展而被广泛使用。