I think he's having an asthma attack.是什么意思？

I think he's having an asthma attack.

我想他现在是哮喘病发作了。

think

vt. 想，思索，以为，看待；vi. 思辩，考虑，构想，回忆；adj. 深思的，供思考的；n. 想，想法；

例句
I think there's something a little peculiar about the results of your test.
我认为你的化验结果有点不对劲。

having

n. 所有，持有；v. 有( have的现在分词 )，（亲属关系中）接受，拿，买到；

例句
He was accusing my mum of having an affair with another man...
他指责我妈妈与另一个男人有染。

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；

例句
He started eating an apple...
他开始吃苹果。

asthma

n. <医>气喘，哮喘；

例句
One GP has charted a dramatic rise in local childhood asthma since the M25 was built nearby...
一位全科医生跟踪记录发现，自从附近修建了25号高速公路以来，当地哮喘病患儿数量急剧增加。

attack

vt.& vi. 攻击，进攻，抨击；n. 攻击，抨击，（队员等的）进攻，（疾病）侵袭；vt. 抨击，非难，侵袭，损害；

例句
The police say they suspect the attack was carried out by animal rights activists.
警方说他们怀疑袭击是由动物权益保护的积极分子们发动的。