LEARNit Dictionary
progression
noun
/prəˈɡreʃn/
UK
/prəˈɡreʃn/
US
OPAL
1
the process of developing gradually from one stage or state to another
پیشرفت, رشد, ترقی, سیر
2
a number of things that come in a series
توالی, سری, زنجیره, پیاپی