Any guides to add translation support to content type fields?

I am new to Strapi. My last project is base on Rails. I want to know how to localized the content type fields in Strapi Admin Panel.

System Information
  • Strapi Version: 3.6.2
  • Operating System: macOS 11.3.1
  • Database: PostgreSQL
  • Node Version: 14.16.1
  • NPM Version: 6.14.12
  • Yarn Version: 1.22.10