twenty-one单词基本解析：

n.二十一，二十一个所成之一组
num. 二十一
n.二十一，二十一个所成之一组；

twenty-one变化用词：

twenty-one英英释义：

Noun

1. the cardinal number that is the sum of twenty and one

2. a gambling game using cards; the object is to hold cards having a higher count than those dealt to the bank up to but not exceeding 21

名词 twenty-one:

the cardinal number that is the sum of twenty and one

同义词：21, XXI

a gambling game using cards; the object is to hold cards having a higher count than those dealt to the bank up to but not exceeding 21

同义词：blackjack, vingt-et-un

形容词 twenty-one:

being one more than twenty

同义词：21, xxi

twenty one[ 'twenti'wʌn ]n.the cardinal number that is the sum of twenty and one

同义词：21XXI

a gambling game using cards; the object is to hold cards having a higher count than those dealt to the bank up to but not exceeding 21

同义词：blackjackvingt-et-un

adj.being one more than twenty

同义词：21xxi

twenty-one中文词源：

twenty-one用法和例句：

Oh, I wish to goodness I were twenty one.

嗨, 我要是二十一岁就好了.

twenty-one

用作数词(num.)

Oh, I wish to goodness I were twenty one.
嗨，我要是二十一岁就好了。

Next monday is my birthday of twenty first.
下星期一是我二十一岁的生日。

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