英语序数词three-fifths和three-fifth和three fifths这3个的区别是什么

英语序数词three-fifths和three-fifth和three fifths这3个的区别是什么 three fifths three fifths与three-fifths有区别么? three-fifths compromise是什么意思 ___of the trees turn yellow.A.Three-fifths B.Three-fifth C.T three fifths 是单数还是复数? three-fifths of them _______ women three fifths of other Persons 美国宪法 three的序数词是什么 three family和three families的区别 fifty-three和fifty three的区别 three time和 three times的区别