复数： sixties

Fifty , sixty , one hundred howling wolves gathering on the meadow outside his room .

五十只，六十只，一百只嚎叫的狼群在他房间外的草地里聚集。

Have I not for more than sixty years got enough to eat and escaped being eaten ?

这六十多年来，我难道不是没有被吃掉，而是吃了很多吗？

The poorest sixty people in the auditorium would have to make due squeezing into a single seat .

而礼堂里最穷的六十个人就不得不将就着挤在一个座位里。

A revolution took place in europe during the last sixty years that most americans simply did not notice .

大部分美国人都没意识到，在过去的六十年里，欧洲发生了一场重大变革。

At sixty degrees below zero , a man with wet feet must not fail in his first attempt to build a fire .

在零下六十度的严寒中，一个打湿了脚的人在第一次尝试生火的时候决不能失败。