VOA慢速英语:Economic Conditions Raising Stress Levels in Workers

1.Stress is a condition resulting from mental or emotional tension. It is how your body reacts to physical, chemical and other influences.

result from产生于…, 由…引起

例句：Nothing had resulted from our efforts.
      我们的努力没有产生什么结果。

react to对…作出反应〔评价, 应答〕

例句：A dog reacts to kindness by wagging its tail.
      狗摇尾巴以报答人们的爱护。

2.The tension of stress can interfere with sleep or cause anger or sadness.

interfere with干预, 阻挠, 妨碍, 阻止

例句：That interferes with my plan.
      那干扰了我的计划。

      The noise interferes with my work.
      这噪音妨碍我的工作。

3.Researchers at the University of Western Ontario carried out a similar study involving levels of cortisol in hair.

carry out执行; 贯彻

例句：He carried out the plan in very detail.
      他一丝不苟地执行那项计划。

      If you make a promise, it should be carried out.
      你许了诺言, 就一定要兑现。