| 单词 | nonagenarian | 
| 释义 | Word Frequency nonagenarian(ˌnəʊnədʒɪˈnɛərɪən) noun 1.  a person who is from 90 to 99 years old  adjective 2.  of, relating to, or denoting a nonagenarian Word origin C19: from Latin nōnāgēnārius, from nōnāginta ninety | 
	
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