城市中的污染空气让人呼吸困难。

The polluted air in the city makes it hard to breathe.

突然的支气管痉挛使他呼吸困难。

The sudden bronchospasm made it difficult for him to breathe.

肺气肿会导致呼吸困难。

Emphysema can cause difficulty in breathing.

运动后他感到呼吸困难。

He feels dyspnea after exercising.

他因为呼吸困难去了医院。

He went to the hospital because of dyspnea.

肺部的粘液会导致呼吸困难。

The presence of mucus in the lungs can cause difficulty in breathing.

喉阻塞可能会导致呼吸困难。

Laryngeal obstruction can cause difficulty in breathing.

病人在爬楼梯后抱怨呼吸困难。

The patient complained of dyspnoea after climbing the stairs.

患者抱怨鼻咽不适和呼吸困难。

The patient complained of nasopharyngeal discomfort and difficulty breathing.

患者在爬楼梯后抱怨呼吸困难。

The patient complained of dyspnea after climbing the stairs.