bronchodilators

柯林斯词典

bronchodilator /ˈbrɒŋkəʊdaɪˌleɪtə/

• 1. N any drug or other agent that causes dilation of the bronchial tubes by relaxing bronchial muscle: used, esp in the form of aerosol sprays, for the relief of asthma 支气管扩张药

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