octogenarian
柯林斯词典
1. N-COUNT An octogenarian is a person who is between eighty and eighty-nine years old. 八旬老人
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octogenarian /ˌɒktəʊdʒɪˈnɛərɪən/ (octogenarians)
剑桥词典
- a person who is between 80 and 89 years old
八旬老人，80至89岁的人 返回 octogenarian