今天我们要学的词是 knee-jerk reaction. Knee-jerk reaction 膝跳反应，意思是本能的第一反应。Investors' knee-jerk reaction to the market downturn led to a sell-off. 投资人对市场下滑作出的本能反应造成股价暴跌。Critics called the decision to ban the film a knee-jerk reaction by the government made out of fear. 批评人士说，禁放这部电影的决定是政府因为害怕而做出的本能的反应。好，今天我们学习的词是 knee-jerk reaction, knee-jerk reaction, knee-jerk reaction.
