1到100：
1～10：1one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9nine10 ten
11～20：11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen17seventeen 18 eighteen 19 nineteen 20 twenty
21～30：21twenty-one22twenty-two 23twenty-three 24twenty-four 25twenty-five 26twenty-six 27twenty-seven 28twenty-eight 29twenty-nine 30thirty
31～40：31thirty-one32thirty-two 33thirty-three 34thirty-four 35thirty-five 36thirty-six 37thirty-seven 38thirty-eight 39thirty-nine 40forty
41～50：41forty-one42forty-two 43forty-three 44forty-four 45forty-five 46forty-six 47forty-seven 48forty-eight 49forty-nine 50fifty
51～60：51fifty-one52fifty-two 53fifty-three 54fifty-four 55fifty-five 56fifty-six 57fifty-seven
58fifty-eight 59fifty-nine 60sixty
61～70：61sixty-one 62sixty-two 63sixty-three 64sixty-four 65sixty-five 66sixty-six 67sixty-seven 68sixty-eight 69sixty-nine 70seventy
71～80：71seventy-one 72seventy-two 73seventy-three74seventy-four 75seventy-five 76seventy-six 77seventy-seven 78seventy-eight 79seventy-nine 80eighty
81～90：81eighty-one 82eighty-two83eighty-three 84eighty-four 85eighty-five 86eighty-six 87eighty-seven 88eighty-eight 89eighty-nine 90ninety
91～100： 91ninety-one 92ninety-two93ninety-three 94ninety-four 95ninety-five 96ninety-six 97ninety-seven
读音：英 [wʌn] 美 [wʌn]
释义：
num.一个;（数字）一;（基数）一，第一
n.一个人;一体;一点钟;独一
pron.一个人;任何人;本人，人家;东西
adj.某一个的;一体的;一方的
例句：
1、Do you want one or two?
你要一个还是两个？
2、There's only room for one person.
只有一个人的空间。
3、One more, please!
请再来一个！
4、a one-bedroomed apartment
一间卧室的公寓房
5、I'll see you at one (= one o'clock) .
我一点钟见你。