Our brain releases a chemical called dopamine, which we also get from activities like exercising and listening to music. This creates feelings of pleasure that we want to repeat again and again. Many TikTok users show signs of addiction when watching the short and interesting clips. It can be very difficult for them to stop watching these short videos, even when they have something more important to do. This behavior trains the brain to expect instant satisfaction, thus making people’s attention spans shorter in the long run.
我们的大脑会释放一种叫做多巴胺的化学物质，我们也可以从运动和听音乐等活动中获取。这会产生我们想要一次又一次重复体验的愉悦感。许多 TikTok 用户在观看简短且有趣的短片时会表现出上瘾的迹象。即使他们有更重要的事情要做，他们也很难停止观看这些短影音。这种行为会训练大脑期待立即的满足感，从长远来看会使人们注意力持续的时间因此缩短。
生活必备字词：
chemical n. 化学物（质）
clip n. 短片，片段
behavior n. 行为，举止（不可数）
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本文节录自《常春藤生活英语》杂志，完整内容请见三月号。
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