bronchodilatation

例句：

1. 1. During the cold season, many people experience bronchospasm due to the dry air.
   在寒冷的季节，由于干燥的空气，许多人会经历支气管痉挛。
2. 2. The patient was given a medication that would help dilate his bronchial tubes.
   病人被给予一种药物，可以帮助扩张他的支气管。
3. 3. In some cases, pulmonary dilation can be beneficial for patients with chronic obstructivepulmonary disease.
   在某些情况下，肺扩张对慢性阻塞性肺病患者是有益的。