stressor

例句：

1. 1. The sudden change inweather caused a lot of stress for theteam.
   天气的突然变化给团队带来了很多压力。
2. 2. The stress of exams isenough to make anyone feel overwhelmed.
   考试的压力足以让任何人感到不知所措。
3. 3. Stress can have both positiveand negative effects on our health.
   压力对我们的健康既有积极的影响也有负面影响。