七雄争霸弓兵性格:a crowd of是什么意思

a crowd of是什么意思 A-crowd wannabe是什么意思啊? a group of 和 a crowd of 有什么区别 A cloud of 和A crowd of 有区别马 a big crowd of farmers are running after me We hadn`t gone far__we saw a great crowd of people . a slew of是什么意思？ a group of是什么意思? a present of .a contact of .a contest of .a gift of这些词组是什么意思? a piece of cake是什么意思