The clinician estimated the patient's pack years to assess his risk of lung disease.

During his twilight years, he finally had time to write the stories he'd always carried inside him.

Many students form lasting friendships during their academic years.

Our financial report compares revenue growth over the last three calendar years.

Many students choose to take gap years to travel, work, or gain life experience before starting university.

Geological formations can take astronomical years to show significant changes.

I would not in a million years agree to sign that contract.

Archaeologists have traced climate patterns over several lunar years to understand ancient agricultural cycles.

I still remember the friends I made during my school years.

Many cultures have unique traditions for New Years, so travelers can experience different ways of celebrating the turn of the year.