a group of 和 a crowd of 有什么区别

a group of 和 a crowd of 有什么区别 a gang of ,a band of ,a group of,a crowd of的区别 a group of,a party of,a crowd of,这些都是什么?他们在语法上被称做什么？ A cloud of 和A crowd of 有区别马 a crowd of people 这个短语中crowd是什么词性 a group of a collection of streets和 a group of post office a group of man 还是a group of men 为什么？ a group of enemies or ,a group of enemy a crowd of people 和 crowds of peoplea crowd of people 表示一群人那么crowds of people是很多群人的意思吗 用a group of 造句. a group of 中文意思 a group of classmates是什么意思 A group of young birds! a group of 怎么用 There are a large _____ of people in the room and it is very ____.A.crowded; crowded B.crowd; crowd C.crowd; crowded D.crowded; crowd 有a crowd of那有没有crowds of looking a group of strange looking faces是什么意思,和a group of strange faces有什么区别?