类固醇用于消除可能导致气道肌肉收缩的炎症。Steroids are used to reduce the inflammation, which makes the muscles of the airways liable to constriction.这种肌肉舒张和收缩的有节律波动称为蠕动.These rhythmic waves of muscular relaxation and contraction are called ...

“收缩的”的英语可以翻译为：contractive，retractile，[医] contractile，systolic ...