几千年来英语

for over...years,for over a century,

Several thousand years

Over the past three decades,........三十年来.....For thousands of years,.......几年前年来.....

thousands of years几千年来five thousand years of civilization history 5000年文明史

After thousands of years of cultural heritage

用during

经过几千年来文化的传承After thousands of years culture heritage

For thou of years / 5000 years civilization history