参考资料来源：百度百科-数字单位制
5. 1到20用英语怎么写 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 first 第一 ，second 第二，third 第三，third 第三，fifth 第五，sixth 第六，seventh 第七 eighth 第八 ，ninth 第九 ，tenth 第十 ，eleventh 第十一 ，twelfth 第十二 thirteenth 第十三 ，fourteenth 第十四，fifteenth 第十五，sixteenth 第十六，seventeenth 第十七，eighteenth 第十八，nineteenth 第十九 ，twentieth 第二十 。
6. 英语从一到二十怎么写 1. one:[w?n]
2. two: [tu:]
3. three ：[θri:]
4. four:[f?：]
5. five [faiv]
6. six [siks]
7. seven:['sevn]
8. eight:[eit]
9. nine [nain]
10.ten [ten]
11.eleven :[i'levn]
12.twelve :[twelv]
13.thirteen ：['θ?：ti:n]
14.fourteen :['f?：'ti:n]
15.fifteen :['fif'ti:n]
16.sixteen :['siks'ti:n]
17 seveteen :[,sevn'ti:n]
18 eighteen:['ei'ti:n]
19.nineteen :['nain'ti:n]
20.twenty ['twenti]
7. 1至二十的英文怎么写 你好！
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
8. 1~40的英文怎么说 1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
8 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
40 forty
【112英文怎么写】
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