quarter的用法在表示3/4的时候,我们经常是使用threequarters,为什么不能用threefourthes,而且作为序数词,他们的词性都是形容词,而quarter确实名词和动词,为什么可以这样用呢?同样的道理,3/2可不可

Question

quarter的用法
在表示3/4的时候,我们经常是使用three quarters,为什么不能用three fourthes,而且作为序数词,他们的词性都是形容词,而quarter确实名词和动词,为什么可以这样用呢?同样的道理,3/2可不可以用three halves（half的复数）表示呢····

Answer 1

quarter ['kwɔ:tə]
adj.四分之一的
n.四分之一,一刻钟
vt.四等分
The clock strikes the hours,the half-hours and the quarters.
这个钟在正点、半点和一刻钟都打点.
The rent is due at the end of each quarter.
缴纳租金以每季度末为期限.
It's a quarter past ten.
现在是十点一刻.
词形变化:
动词过去式:quartered 过去分词:quartered
过去分词:quartered 现在分词:quartering
名词 quarter:
one of four equal parts
同义词：one-fourth,fourth,fourth part,twenty-five percent,quartern
a district of a city having some distinguishing character
one of four periods of play into which some games are divided
a unit of time equal to 15 minutes or a quarter of an hour
one of four periods into which the school year is divided
a fourth part of a year; three months
one of the four major division of the compass
a quarter of a hundredweight (25 pounds)
a quarter of a hundredweight (28 pounds)
a United States coin worth one fourth of a dollar
an unspecified person
the rear part of a ship
同义词：stern,after part,poop,tail
piece of leather that comprises the part of a shoe or boot covering the heel and joining the vamp
clemency or mercy shown to a defeated opponent
动词 quarter:
provide housing for (military personnel)
同义词：billet,canton
pull (a person) apart with four horses tied to his extremities,so as to execute him
同义词：draw,draw and quarter
divide into quarters
divide by four; divide into quarters
quarter:quarter n.四分之一,方向,地区,方面,季,季度,一刻钟num.四分之一,刻 名词quarter:1.one of four equal parts同义词：one-...