Asthma

['æsmə] or ['æzmə]

解释:

(noun.) respiratory disorder characterized by wheezing; usually of allergic origin.

希拉里校对--From WordNet

解释:

(n.) A disease, characterized by difficulty of breathing (due to a spasmodic contraction of the bronchi), recurring at intervals, accompanied with a wheezing sound, a sense of constriction in the chest, a cough, and expectoration.

编辑:梅根

解释:

n. a chronic disorder of the organs of respiration characterised by the occurrence of paroxysms in which the breathing becomes difficult and accompanied by wheezing and a distressing feeling of tightness in the chest.—adjs. Asthmat′ic -al pertaining to or affected by asthma.—adv. Asthmat′ically.

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