例句與用法

1. It is as though a martian came to visit earth and landed in an old - age home where everyone was an octogenarian
   這好比火星人造訪地球，卻降落在養(yǎng)老院，觸目所及盡是80多歲的老人。
2. The octogenarian , who is a vegetarian and has never smoked cigarettes or drunk alcohol , is ready to share his knowledge with others
   這位年近九旬的老人是一名素食主義者且從來不抽煙或喝酒，他準備將自己的養(yǎng)生之道與他人分享。
3. To return to our earlier analogy , if the martian became accustomed to a world exclusively populated by octogenarians and then was suddenly presented with a group of babies , he might ask for proof that these babies and the senior citizens were even the same type of creature
   回到我們先前的類比，如果火星人已經(jīng)習慣了只有80歲人口的世界，忽然出現(xiàn)了一群嬰兒，他可能會要求一些證據(jù)，證明嬰兒與老年人是否為同一類的生物。

英文釋義

1. someone whose age is in the eighties

1. being from 80 to 89 years old