英文21怎么写？21的英文表达是"twenty-one"。当我们处理从20到99的整数时，除了"twenty", "thirty", "forty", "fifty", "eighty"这几个数为特殊形式外，"sixty", "seventy", "ninety"都是通过在其个位数形式后添加后缀-ty来构成的。表示几十几时，在几十和个位基数词形式之间添加连字符“-”。例如，那么，英文21怎么写？一起来了解一下吧。
基数类：
21 twenty-one
22 twenty-two
23 twenty-three
24 twenty-four
25 twenty-five
26 twenty-six
27 twenty-seven
28 twenty-eight
29 twenty-ning
30 thirty
31 thirty-one
32 thirty-two
33 thirty-three
34 thirty-four
35 thirty-five
36 thirty-six
37 thirty-seven
38 thirty-eight
39 thirty-ning
40 forty
41 forty-one
42 forty-two
43 forty-three
44forty-four
45 forty-five
46 forty-six
47 forty-seven
48 forty-eight
49 forty-nine
50 fifty
51 fifty-one
52 fifty-two
53 fifty-three
54 fifty-four
55 fifty-five
56 fifty-six
57 fifty-seven
58 fifty-eight
59 fifty-nine
60 sixty
61 sixty-one
62 sixty-two
63 sixty-three
64 sixty-four
65 sixty-five
66 sixty-six
67 sixty-seven
68 sixty-eight
69 sixty-nine
70 seventy
71 seventy-one
72 seventy-two
73 seventy-three
74 seventy-four
75 seventy-five
76 seventy-six
77 seventy-seven
78 seventy-eight
79 seventy-nine
80 eighty
81 eighty-one
82 eighty-two
83 eighty-three
84 eighty-four
85 eighty-five
86 eighty-six
87 eighty-seven
88 eighty-eight
89 eighty-nine
90 ninty
91 ninty-one
92 ninty-two
93 ninty-three
94 ninty-four
95 ninty-five
96 ninty-six
97 ninty-seven
98 ninty-eight
99 ninty-nine
序数类：
第21 twenty-first
第22 twenty-second
第23 twenty-third
第24 twenty-fourth
第25 twenty-fifth
第26 twenty-sixth
第27 twenty-seventh
第28 twenty-eighth
第29 twenty-ninth
第30 thirtieth
第31 thirty-first
第32 thirty-second
第33 thirty-third
第34 thirty-fourth
第35 thirty-fifth
第36 thirty-sixth
第37 thirty-seventh
第38 thirty-eighth
第39 thirty-ninth
第40 fortieth
第41 forty-first
第42 forty-second
第43 forty-third
第44 forty-fourth
第45 forty-fifth
第46 forty-sixth
第47 forty-seventh
第48 forty-eighth
第49 forty-ninth
第50 fiftieth
第51 fifty-first
第52 fifty-second
第53 fifty-third
第54 fifty-fourth
第55 fifty-fifth
第56 fifty-sixth
第57 fifty-seventh
第58 fifty-eighth
第59 fifty-ninth
第60 sixtieth
第61 sixty-first
第62 sixty-second
第63 sixty-third
第54 sixty-fourth
第65 sixty-fifth
第66 sixty-sixth
第67 sixty-seventh
第68 sixty-eighth
第69 sixty-ninth
第70 seventieth
第71 seventy-first
第72 seventy-second
第73 seventy-third
第74 seventy-fourth
第75 seventy-fifth
第76 seventy-sixth
第77 seventy-seventh
第78 seventy-eighth
第79 seventy-ninth
第80 eightieth
第81 eighty-first
第82 eighty-second
第83 eighty-third
第84 eighty-fourth
第85 eighty-fifth
第86 eighty-sixth
第87 eighty-seventh
第88 eighty-eighth
第89 eighty-ninth
第90 ninetieth
第91 ninety-first
第92 ninety-second
第93 ninety-third
第94 ninety-fourth
第95 ninety-fifth
第96 ninety-sixth
第97 ninety-seventh
第98 ninety-eighth
第99 ninety-ninth
扩展资料
英文中数字的规律总结：
1、1 到12，还有 100，是独立单词，没有规律。
twenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-ninethirtythirty-onethirty-twothirty-threethirty-fourthirty-fivethirty-sixthirty-seventhirty-eightthirty-ninefortyforty-oneforty-twoforty-threeforty-fourforty-fiveforty-sixforty-sevenforty-eightforty-ninefiftyfifty-onefifty-twofifty-threefifty-fourfifty-fivefifty-sixfifty-sevenfifty-eightfifty-ninesixtysixty-onesixty-twosixty-threesixty-foursixty-fivesixty-sixsixty-sevensixty-eightsixty-nineseventyseventy-oneseventy-twoseventy-threeseventy-fourseventy-fiveseventy-sixseventy-sevenseventy-eightseventy-nineeightyeighty-oneeighty-twoeighty-threeeighty-foureighty-fiveeighty-sixeighty-seveneighty-eighteighty-nineninetyninety-oneninety-twoninety-threeninety-fourninety-fiveninety-sixninety-sevenninety-eightninety-nine
学习英文数字，从21到99的发音和写法如下：
21 twenty-one
22 twenty-two
23 twenty-three
24 twenty-four
25 twenty-five
26 twenty-six
27 twenty-seven
28 twenty-eight
29 twenty-nine
30 thirty
31 thirty-one
32 thirty-two
33 thirty-three
34 thirty-four
35 thirty-five
36 thirty-six
37 thirty-seven
38 thirty-eight
39 thirty-nine
40 forty
41 forty-one
42 forty-two
43 forty-three
44 forty-four
45 forty-five
46 forty-six
47 forty-seven
48 forty-eight
49 forty-nine
50 fifty
51 fifty-one
52 fifty-two
53 fifty-three
54 fifty-four
55 fifty-five
56 fifty-six
57 fifty-seven
58 fifty-eight
59 fifty-nine
60 sixty
61 sixty-one
62 sixty-two
63 sixty-three
64 sixty-four
65 sixty-five
66 sixty-six
67 sixty-seven
68 sixty-eight
69 sixty-nine
70 seventy
71 seventy-one
72 seventy-two
73 seventy-three
74 seventy-four
75 seventy-five
76 seventy-six
77 seventy-seven
78 seventy-eight
79 seventy-nine
80 eighty
81 eighty-one
82 eighty-two
83 eighty-three
84 eighty-four
85 eighty-five
86 eighty-six
87 eighty-seven
88 eighty-eight
89 eighty-nine
90 ninety
91 ninety-one
92 ninety-two
93 ninety-three
94 ninety-four
95 ninety-five
96 ninety-six
97 ninety-seven
98 ninety-eight
99 ninety-nine
1 one、2 two、3 three、4 four、5 five、6 six、7 seven、8 eight、9 nine、10 ten、11 eleven、12 twelve、13 thirteen、14 fourteen、15 fifteen、16 sixteen、17 seventeen、18 eighteen、19 nineteen；
20 twenty、21 twenty-one、22 twenty-two、23 twenty-three、24 twenty-four、25 twenty-five、26 twenty-six、27 twenty-seven；
28 twenty-eight、29 twenty-nine、30 thirty、31 thirty-one、32 thirty-two、33 thirty-three、34 thirty-four、35 thirty-five、36 thirty-six、37 thirty-seven、38 thirty-eight、39 thirty-nine。
扩展资料：
英文字母渊源于拉丁字母，拉丁字母渊源于希腊字母，而希腊字母则是由腓尼基字母演变而来的。
twenty-four 25 twenty-five 26 twenty-six 27 twenty-seven 28 twenty-eight 29 twenty-ning 30 thirty 31 thirty-one 32 thirty-two 33 thirty-three 34 thirty-four 35 thirty-five 36 thirty-six 37 thirty-seven 38 thirty-eight 39 thirty-ning 40 forty 41 forty-on...全文
56
923
踩
sunny回到未来LV.12019-06-14
以上就是英文21怎么写的全部内容，20 twenty、21 twenty-one、22 twenty-two、23 twenty-three、24 twenty-four、25 twenty-five、26 twenty-six、27 twenty-seven；28 twenty-eight、29 twenty-nine、30 thirty、31 thirty-one、32 thirty-two、33 thirty-three、34 thirty-four、35 thirty-five、36 thirty-six、37 thirty-seven、。
