eleven英音:[i'levn]美音:[ɪ'lɛvn]
twelve英音:[twelv]美音:[twɛlv]
thirteen英音:['θə:ti:n]美音:['θɝtin]
fourteen英音:['fɔ:'ti:n]美音:['for'tin]
fifteen英音:['fif'ti:n]美音:['fɪf'tin]
sixteen英音:['siks'ti:n]美音:['sɪks'tin]
seventeen英音:[,sevn'ti:n]美音:[,sɛvn'tin]
eighteen英音:['ei'ti:n]美音:['e'tin]
nineteen英音:['nain'ti:n]美音:['naɪn'tin]
twenty英音:['twenti]美音:['twɛntɪ]
参考资料:百度词典里有发音,你只要把单词输上去就行了
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