I think the man was something like 20 years of age.

我想这个人才20岁左右。

麻省理工公开课 - 固态化学导论课程节选

Others of us die at 20, or 15, or 10, or younger.

还有一些人在20岁，15岁或更年轻就死了。

耶鲁公开课 - 死亡课程节选

It depends, could have been 18, could have been 20.

可以灵活调整,可以是18岁,或者是20岁

耶鲁公开课 - 古希腊历史简介课程节选

At age 20, he had a nervous breakdown.

二十岁时，他精神崩溃了。

耶鲁公开课 - 公正课程节选

Even they had to go into a role, just like in Zimbardo, they had to play their role of 1959 as if they were 20 years younger.

就算他们要进入角色，和Zimbardo的实验一样，要扮演1959年时的角色，仿佛年轻了20岁。

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Some people live 80 years, some people live 20 years.

有些人活到80岁，有些人活到20岁。

耶鲁公开课 - 死亡课程节选

In Athens, in classical times it was 20.

在雅典,史料记载的年龄是20岁

耶鲁公开课 - 古希腊历史简介课程节选