1、 twenty-one ['twenti'wʌn]:二十一,表数字。
1、短语

(1)twenty twenty-one thirty 十六
(2)fourteen fifteen twenty twenty-one thirty 三十
(3)Always twenty-one 永远二十一
(4)twenty-one bags 二十一只书包
(5)Child Twenty-one 古典摇滚
(6)twenty-one months 个月的我
(7)Twenty-one Iems 二十一条
(8)SCENE TWENTY-ONE 帅帅的怪叔叔
(9)TWENTY-ONE- 冰帝学院
2、造句
(1)Twenty-one of these were greek and included five hospital ships
其中有二十一艘是希腊的船只,并且包括五艘医疗救护船。
(2)At twenty-one he took his degree-a respectable degree, but not a very high one
二十一岁他获得了一个不很高,但也令人钦羡的学位。
(3)The diet is chosen under a franchise that is universal for citizens aged twenty-one and over
国会由年满二十一岁以上的公民普遍选举产生。
(4)Manifestly a glory that once was had vanished away in these twenty-one years
显然,那过去曾经喧赫一时的盛况,在这二十一年间,已经烟消云散了。
(5)All red-haired men who are sound in body and mind, and above the age of twenty-one years, are eligible
凡红发男性,年满二十一岁,身体健康,智力健全者即属符合条件。
(6)Yang liwei spent about twenty - one hours in space
杨利伟在太空度过了大约21小时。
(7)Within twenty - one days following the delivery day
从托运货件送达后起的日内。

(8)You lost by only a hundred and twenty - one votes
仅仅以一百二十一票的微弱差距输了。
(9)The president gets twenty - one guns as a salute
总统接受二十一响礼炮致敬。
(10)Surgical operation on left atrial myxomas in twenty - one cases
左房黏液瘤手术切除21例。
21用英语怎么说语音
汉语21世纪
英语the twenty first century
音标
英语读音 [ðə 'twentifɜːst 'sentʃəri]
美语读音 [ðə 'twentifɜːrst 'sentʃəri]
例句
As the twenty first century dawns, CUHK has articulated a vision of excellence in teaching and research, of diversity in the student body, and of recognition across the region
21~29的英文怎么写
21用英语表达为twenty-one
音标是 ['twenti'wʌn]
发音可在附件中下载后用音乐播放器打开即可!
两位数中间加上小横线:
基数词:twenty-one; twenty-two; twenty-three; twenty-four
twenty-five; twenty-six; twenty-seven; twenty-eight
twenty-nine
序数词:twenty-first; twenty-second; twenty-third; twenty-fourth(不要少了u)

twenty-fifth; twenty-sixth; twenty-seventh; twenty-eighth
twenty-ninth(去e)
基数词是指描述事物数量的多少的数词。基数词在句中可作主语、宾语、定语、表语、同位语。英语中数词主要分为基数词和序数词两类。
序数词是 数词的一种,主要在 英语语法中讲到,在汉语中表示为“第几”。此外,在生日中,描述你出生的日期时,也用到了序数词。比如:May-first (5月1日)


