词性。这么多词性,我初中没学好。求助答:a dollar, two dollars; a meter, two meters 3)集体名词,以单数形式出现,但实为复数。 如: people police cattle 等本身就是复数,不能说 a people,a police,a cattle,但可以说a person,a policeman,a head of cattle,the English,the British,the French,the Chinese,the Japanese,the Swiss 等名词,...