青云翻译

With the development of medicine, human life expectancy will reach 120 years old

With the development of medicine, human life expectancy would be 120 years old

Along with the medicine development, humanity's mean lifetime will be able to achieve 120 years old

With the advancement of medical science, the life expectancy of people's development will reach 120 years old

With the development of medicine, human life expectancy would be 120 years old