同类词: seventy， eighty...
She's in her mid-thirties—thirty-six to be exact.
她三十五岁左右—确切地说是三十六岁。
He was struck down by cancer at the age of thirty.
他三十岁那年被癌症夺去了性命。
He died seventy years ago.
他70年前就死了。
I hope I am still healthy when I am in my seventies.
我希望自己七十多的时候依然健康。
