stressor
n. 紧张性刺激(心理学)
例句
Money is a major stressor.
金钱是主要的压力源。
It is the No.1 stressor in my life.
它是我生命中第一号压力源。
Epigenetic changes represent a biological response to an environmental stressor.
外基因改变是受环境压力后的生物反应。