Sixties是什么意思

Sixty is the number 60.

When you talk about the sixties, you are referring to numbers between 60 and 69. For example, if you are in your sixties, you are aged between 60 and 69. If the temperature is in the sixties, it is between 60 and 69 degrees.

The sixties is the decade between 1960 and 1969.