So, you can imagine in certain circumstances there would be guys that old back there, but fundamentally it's between 20 and 45.

所以你能想象,在某些情况下,也会有老年人,但基本上是二十到四十五岁的

耶鲁公开课 - 古希腊历史简介课程节选

It's forty-five minutes and... which isn't that bad, you know, from door to door.

四十五分钟，而且……不算差了，你知道，从门到门呢。

利用大众交通工具吧 - SpeakingMax英语口语达人

Typically, the youngest guys are twenty, and typically the oldest guys are 45, but everybody was liable to military service in these states until they were about 60.

一般来说,最年轻的二十岁,最年长的四十五岁,但是在有些城邦中,六十岁以下的人都能参军

耶鲁公开课 - 古希腊历史简介课程节选

They each have about a half an hour or 45-minute lessons.

他们每个人都有大概一小时或四十五分钟的课。

和钢琴老师 - SpeakingMax英语口语达人