children是什么意思?是单数还是复数？有的话把单数也写上

children意思是孩子，是复数。单数是child。
children 英[ˈtʃɪldrən] 美[ˈtʃɪldrən]
n. 儿童; 孩子们(child的复数); 膝下; 孥;
[例句]I have a wife and two small children
我有一个妻子和两个年幼的孩子。

Adults need to live their own lives and that's difficult with children.
大人需要过他们自己的生活，但有了孩子就很难做到了。

It was wholesale slaughter of women and children.
那是对妇女和儿童的大规模屠杀。

I had papers relating to the children which my wife and I had to sign.
我有一些关于孩子的文件需要我和妻子签字。

I had made arrangements for my affairs to be dealt with by one of my children
我已经安排我的一个孩子处理我的事务。

His wife and children moved to join him in their new home
他的妻子和孩子们搬进了他们的新家，和他一起生活。

children n. 孩子们(child）的复数 它的单数是——child