These postgraduates were a very talented group.是什么意思？

These postgraduates were a very talented group.

这些研究生是一群天分很高的学生.

these

adj. 这些的；pron. 这些；

例句
There's lots of money about these days for schemes like this.
近来这类计划资金充足。

postgraduates

n. 研究生( postgraduate的名词复数 )；

例句
Professor Zhu will give lectures to the postgraduates [ graduate students ] this term.
朱教授这学期给研究生 开课.

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

very

adj. 很，非常，恰好是，正是，十足的，特有的；adv. 很，非常，充分，完全；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多数人不难理解为什么凡·高的作品是天才之作。

talented

adj. 有才能的，有才干的，能干的；

例句
Graeme remains a supremely talented cricketer and must still have a splendid future in the game.
格雷姆依然是一个极有天赋的板球运动员，在这项运动中一定仍可拥有辉煌的前程。

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