◆Ⅱ.前缀 ◆de-:1)除去、取消 ◆ dewater desalt ◆ decolour decontrol ◆ degas reoccupy ◆de-ink decivillize ◆ deregister de-oil ◆ decode deforest ◆ deflower decamp ◆2)否定、非 t denationalize demilitarize o de-Americanize deemphasize II. 前缀  de- : 1) 除去、取消  dewater desalt  decolour decontrol  degas deoccupy  de-ink decivillize  deregister de-oil  decode deforest  deflower decamp  2) 否定、非  denationalize demilitarize  de-Americanize deemphasize 