a group of,a party of,a crowd of,这些都是什么?

a group of,a party of,a crowd of,这些都是什么? a gang of ,a band of ,a group of,a crowd of的区别 a large crowd of用法 one of a group of a group of用法 a group of The manager threw a party ______the group of computer expert crowds of与a crowd of意思是否一样?crowd这个词具体有什么用法? A set of ,a group of ,a serious of 后 a group of man 还是a group of men a group of enemies or ,a group of enemy a crowd of people 这个短语中crowd是什么词性