（1-13）one two three four five six seven eight nine ten eleven twelve thirteen
拓展资料：
1.（14-20） fourteen fifteen eighteen nineteen twenty .
2. (21-30) twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine thirty .
3.(31-40) thirty-one thirty-two thirty-three thirty-four thirty-five thirty-six thirty-seven thirty-eight thirty-nine forty .
4.(41-50) forty-one forty-two forty-three forty-four forty-five forty-six forty-seven forty-eight forty-nine fifty
