19 nineteen 数字 1-100 20 twenty 39 thirty- nine 40 forty 英语单词写法 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 eighteen21 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 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 79 seventy- nine 80 eighty 81 eighty- one 99 ninety- nine 100 one hundred 1 到 13 要背；14 62 sixty- two 82 eighty- two 到 19 是相应地加后缀 teen ( 注意有些是不规 多直接在整十后面加几， 如 85 eighty-five 63 sixty- three 83 eighty- three 则变化的）；20 到 90 64 sixty- four 84 eighty- four 65 sixty- five 54 fifty-four 66 sixty- six 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 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 本文来源：https://www.wddqw.com/doc/d566f193326c1eb91a37f111f18583d049640fb7.html