20到30的英文
twenty 20
twenty-one 21
twenty-two 22
twenty-three 23
twenty-four 24
twenty-five 25
来自：wuliaokankan.com
twenty-six 26
twenty-seven 27
twenty-eight 28
twenty-nine 29
thirty 30
twenty-one 21
twenty-two 22
twenty-three 23
twenty-four 24
twenty-five 25
来自：wuliaokankan.com
twenty-six 26
twenty-seven 27
twenty-eight 28
twenty-nine 29
thirty 30
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