二十一个

1.
one
四年级英语语法基数词练习 - 豆丁网 ...  1-one 一个  2- twenty-one 二十一个  30- ...
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Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard