350 序数词(形容词及代词)

 

first                           fifth

second                       sixth

third                           seventh

fourth                        eighth

ninth                          twentyfifth

tenth                          twentysixth

eleventh                      twentyseventh

twelfth                       twenty-eighth

thirteenth                    twenty-ninth

fourteenth                   thirtieth

fifteenth                     thirty-first

sixteenth                     fortieth

seventeenth                 fiftieth

eighteenth                   sixtieth

nineteenth                   seventieth

twentieth                    eightieth

twenty-first                ninetieth

twenty-second            hundredth

twenty-third                thousandth

twentyfourth           millionth

在写或读分数时(1/21/4除外),我们用基数词和序数词的组合(即分子用基数词,分母用序数词):

(这里aone更常用)

由一个整数+一个分数构成的数后面可直接跟一个名词的复数形式:

加上of

half a second半秒种(无 a

a quarter of a second四分之一秒(有 a

(另参见第2E。)

half+of也可使用,但是of可省略:

Halfof my earnings go in tax

我挣到的钱有一半要纳税。