The group is comprised of two guitarists, a drummer, and a singer.是什么意思？

The group is comprised of two guitarists, a drummer, and a singer.

该乐团由两名吉他手 、 一名鼓手和一名主唱组成.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

group

n. 组，团体，群，批，（雕塑等的）群像，（英美的）空军大队；vt.& vi. 使成群，集合；vt. 分类，归类；

例句
...a group of youths riding their motorbikes four abreast.
驾着摩托车，四个一排齐头并进的一群年轻人

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

comprised

v. 包含( comprise的过去式和过去分词 )，包括，组成，构成；

例句
...the motley crew of failed and aspiring actors who comprised the 'distinguished guests'...
“贵宾”由一群形形色色的演员组成，有的郁郁不得志，有的胸怀抱负

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

guitarists

n. 吉他弹奏者( guitarist的名词复数 )；

例句
Few guitarists can sing as well as they can play; Eddie, however, is an exception...
很少有吉他手唱歌像弹吉他那么好，然而埃迪是个例外。

drummer

n. 鼓手，〈美口〉旅行推销员，跑街；

例句
He was a drummer in a rock band...
他曾是一个摇滚乐团的鼓手。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

singer

n. 歌手，歌唱家，诗人，鸣禽；

例句
She was seen in animated conversation with the singer Yuri Marusin...
有人看见她与歌手尤里·马鲁辛交谈甚欢。