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twelve
twenty
twenty-one
One hundred and twenty-three
four thousand,five hundred and sixty-seven
three
nine
fourteen
forty
seven hundred
eight million,nine hundred and one thousand,and twenty-three
基数词书写口诀
1到12特殊记；
13到19 teen；整十要加ty；
百后有and;
几十几连字符别忘记；
几百、几千、几百万s不要带
one eleven twenty-one
two twelve twenty-two twenty
three thirteen twenty-three thirty
four fourteen forty
five fifteen fifty
six sixteen sixty
seven seventeen seventy
eight eighteen eighty
nine nineteen ninety
ten hundred thousand
million billion
Let’s play a game!
Whose number is bigger?