depressant [dɪˈprɛsənt]

例句:

• ACMC - a modified carloxy methy cellulose ( CMC ) is an effective serpentine gangue depressant.
  ACMC在蛇纹石表面的吸附,大大增强了它的亲水性.
  
• Despite being classified as a depressant, alcohol initially acts as a stimulant on the central nervous system.
  虽说被划定为镇静剂，酒精最初却是被当作中枢神经系统的兴奋剂。
  
• ACMC — a modified carloxy methy cellulose ( CMC ) is an effective serpentine gangue depressant.
  ACMC在蛇纹石表面的吸附,大大增强了它的亲水性.
  
• In some cases anti-depressant medication can be helpful.
  来自BBC
• Police also found anti-depressant medication in the flat.
  来自THETIMES
• I never get around to the depressant part.
  来自NEWYORKER