(单词翻译:单击)
可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。
Laughter are healthier and happier.
爱笑的人更健康快乐。
They have reduced aggression tendencies.
攻击性更弱
People who love to laugh tend to be significantly less violent and aggressive in society.
爱笑的人大大减少了社会暴力和侵略性。
That's because laughter offers a healthy outlet for pent up negative emotions of anger and aggression.
这是因为笑为压抑已久的愤怒和侵略的负面情绪提供了一个健康的发泄方式。
A simple chuckle; for example, can help defuse a conflict. Even better, laughing has a relaxing effect on the whole body that lasts for up to 45 minutes.
例如，一个简单的笑就可以化解冲突；更好的是，笑能让全身有一个长达45分钟的持久放松效果。
This provides important psychological benefits for jolly people.
这对快乐的人们提供了重要的心理帮助。
【知识点讲解】
pent up 抑制； 幽禁；
例句：
He still had a lot of pent-up anger to release.
他还有很多强压的愤怒要发泄。
She was too pent-up to speak.
她闷闷不乐，不想说话。
Her pent - up anger was released in a torrent of words.
她压抑的愤怒以滔滔不绝的话爆发了出来.
have an effect on 对…有影响，对…起作用，产生效果；
例句：
The individual colours within the light spectrum are believed to have an effect on health.
光谱中不同的颜色被认为对健康有不同的影响。
China's improvements are starting to have an effect on climate models.
中国的进步在全球气候模型上也开始有所体现.
The parameters of cage size have an effect on the hydrodynamic characteristics.
网箱各尺寸参数影响网箱的水动力特性.
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