I suffered a black-out which lasted for several minutes.是什么意思？

I suffered a black-out which lasted for several minutes.

我昏迷了几分钟。

suffered

v. 受痛苦( suffer的过去式和过去分词 )，受损害，变糟，变差；

例句
She suffered from anaemia and even required blood transfusions.
她患有贫血症，甚至需要输血。

which

pron. 哪一个，哪一些，哪个，那，指前面提到的事物；adj. 哪一个，哪一些；

例句
...the latest date at which a foetus can be aborted.
能够打胎的最迟日期

lasted

v. 继续存在( last的过去式和过去分词 )，耐用，幸免于，延续；

例句
Fights with his father lasted anything between fifteen minutes and an hour.
和他父亲争吵了大约15分钟到一个小时。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

several

adj. 几个的，专有的，各自的，分别的；pron. 几个，数个，一些；

例句
He's already altered several of the proposals in his economic plan to accommodate demands of special interests.
他已经改动了经济计划中的几项提议以迁就特殊利益集团的要求。

minutes

n. [法] 备忘录，会议记录，审判记录，分( minute的名词复数 )，分钟，瞬间，片刻；

例句
We landed on a grass airstrip, fifteen minutes after leaving Mahe.
离开马埃15分钟后，我们降落在一个临时草地机场上。