N-PLURAL
六十几(指 60 至 69 之间的数字)
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.
例句
...a lively widow in her sixties.
一位年过花甲、精神矍铄的寡妇