英语中分数的表达法?two-thirds three-fourth 两种都对吗?

英语中分数的表达法?two-thirds three-fourth 两种都对吗? 英语中分数的写法到底加不加“—”如two thirds,是否可以写成two-thirds呢? 关于英语中分数的表达法,three thirds和three-thirds有区别吗 About three-thirds of.还是About three thirds ofthree quarters和three fourths有区别吗 用英语表示分数时中间有没有短横?如 two-thirds 还是 two thirds 英语分数表示方法三分之二,two thirds一定是对的,但是我要是加连字符呢?是two-thirds还是two-third? 英语用法之分数连字符何时用?书中a third,two-thirds,three quarters；a quarter,one-tenth.希望能用简洁的语言概括所有情况. 英语中,分数倍数的time加s么 eg：one thirds time还是 one thirds times 英语关于分数的写法,你来回答吧( ) 20._______ of the earth _______ made up of oceans.A.Two-third; is B.Two-thirds; is C.Two-third; are D.Two-thirds; are 老师,英语中表示分数时,是不是加连字符与不加,只要分值大于一,分母就得加s?如：two thirds 与 two - thirds是不是都对? 英语分数表达问题Only one-fifth of air consists of oxygen．氧气只占空气的1／5.5．About two thirds of the students attend the meeting．大约2／3的学生都参加了会议.为什么上面一句话分数用连字符而下面不用? two third和two-thirds是不是两中表达都对呢?tell me the right answer,please! 为什么 a four-year-old boy中的year可以不加复数,而分数two-thirds中连字符后的third就必须有s? two-thirds the price的意思 英语中 分数 如何表达 two-thirds buildings后接动词的复数还是单数 费解的英语题!Insects'ability to breed rapidly enables them to develop large populitions,____are pests.填of whom two-thirds 还是two-thirds of whom难题一定追加分!那为什么of whom two-thirds 不对呢?!到底是哪个?说明下原因 分数在英语中怎样表达 像two-year-old中year不可以用复数吗为什么two-thirds里就可以用复数?什么时候连词符号里的名词可以用复数