suppressive
  (a.)鎮壓的,抑壓的,抑制的
  sup·pres·sive /-ˈprɛsɪv/ 形容詞
  抑制的
  Sup·press·ive a. Tending to suppress; subduing; concealing.
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  suppressive
       adj : tending to suppress; "the government used suppressive
             measures to control the protest"