populate：构成人口，居住，迁移

popul-,人，民众，-ate,使。引申词义居住，迁移等。

• unconscious
• uncouth
• unction
• unctuous
• under
• under-
• underachieve
• underage
• undercurrent
• underestimate
• undergo
• undergraduate
• underground
• underhand
• underlie
• underline
• underling
• underlying
• undermine
• underneath
• underpass
• underpin
• underscore
• undersecretary
• undershoot