eighty-one:八十一;81。常用于表达数量、年龄、编号、年份等。(也可作形容词:an eighty-one-year-old man “一位81岁的老人”)
/ˌeɪtiˈwʌn/(英美常见)
There are eighty-one students in the grade.
这个年级有八十一名学生。
Eighty-one years after the event, the city held a ceremony to remember those who were lost.
事件过去八十一年后,这座城市举行了纪念仪式,悼念逝者。
eighty-one 是由 eighty(八十)+ one(一) 组合而成的复合数词。eighty 来自古英语 eahtatig(与 eight 同源),表示“八个十”;再加上 one 构成“八十一”。