octogenarian
US /ˌɑːk.toʊ.dʒəˈner.i.ən/
UK /ˌɑːk.toʊ.dʒəˈner.i.ən/
1.
八旬老人, 八十多岁的人
a person who is between 80 and 89 years old, inclusive.
:
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My grandmother, an octogenarian, still enjoys gardening.
我的祖母，一位八旬老人，仍然喜欢园艺。
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The marathon had several octogenarians participating.
马拉松有几位八旬老人参加。
1.
八旬的, 八十多岁的
of or relating to a person between 80 and 89 years old.
:
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The study focused on the health challenges of the octogenarian population.
这项研究侧重于八旬老人群体的健康挑战。
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He published his latest book in his octogenarian years.
他在八旬之年出版了他的最新著作。