• People with asthma, chronic obstructive pulmonary disease and other breathing disorders need fast relief when their airways tighten up.

    患有哮喘、慢性阻碍性肺病以及其它呼吸不畅的病人需要迅速缓和收缩的气道。

    youdao

  • People with asthma, chronic obstructive pulmonary disease and other breathing disorders need fast relief when their airways tighten up.

    患有哮喘、慢性阻碍性肺病以及其它呼吸不畅的病人需要迅速缓和收缩的气道。

    youdao

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