crowd作名词表示人群,为什么还会有复数形式crowds呢?

crowd作名词表示人群,为什么还会有复数形式crowds呢? 表示“人群”的词英语中表示人群的词,如crowd party之类的还有哪些? Round and round the house went the crowd.为什么译成：人群围着那所房子一圏又一圈地转.怎么看着像房子围着人群转啊! crowd作名词作主语的时候谓语是用单数还是复数?例如：“a large crowd of people”一大群人这时的谓语应该是单数还是复数? crowd什么时候是可数名词什么时候是不可数,There are big 后面是crowds还是crowd为什么 crowd是集合名词吗? crowd的名词意思可数吗? crowd的名词是什么拜托了 crowd crowd 为什么有时名词可以作形容词用? a large crowd of用法crowd是人群的意思,那就是说a large crowd of后跟人?不能跟物? There were so many people in the hall,it was ___(人群).A、crowd B、crowded 英语翻译我们只好从人群中挤了出去we had to ___our___through the crowd throng和crowd辨析,两者都有人群的意思.怎么区分? 很容易在人群中便认出他.she is easy to recognise in the crowd.这是被动态吗不是she is easy to be recognised in the crowd吗?Q2：it doesn‘t matter____you turn right or left at the crossing——both roads lead to the park.为什么 集体名词用法a big crowd ___gathering aheadis?are?why? crowd是集体名词吗不是有crowds吗