5.2 Prefixation 求 Centralize Decentralize Plane Deplane Infect a Disinfect ■zip a Unzip Regulate a Deregulate Possess Dispossess Pollute ■ Depollute 米 English Lexicology (m)English Lexicology(II) 10 5.2 Prefixation ◼ Centralize ◼ Plane ◼ Infect ◼ Zip ◼ Regulate ◼ Possess ◼ Pollute ◼ Decentralize ◼ Deplane ◼ Disinfect ◼ Unzip ◼ Deregulate ◼ Dispossess ◼ Depollute