Meaning of qún:
群
variant of 群[qun2]; group; crowd; flock, herd, pack etc
Xiàwǔ, wǒmen kàn dào yī dà qún niǎo fēi guò tiānkōng.
下午,我们看到一大群鸟飞过天空。
In the afternoon, we saw a large flock of birds flying across the sky.
Yī qún xiǎo niǎo zài tiānkōng zhōng fēixiáng.
一群小鸟在天空中飞翔。
A group of small birds is flying in the sky.
Yī qún háizi zài gōngyuán lǐ wánshuǎ.
一群孩子在公园里玩耍。
A crowd of children is playing in the park.
Yī qún niǎo zài kōngzhōng áoxiáng.
一群鸟在空中翱翔。
A flock of birds is soaring in the sky.