<p>今天我们要跟大家介绍一个关于人体的有趣科普小知识。有时候当我们看到柠檬或想到酸酸的食物时，会忍不住流口水，你知道这是为什么吗？其实这个道理叫做条件反射，快来听听这堂课吧！ Episode link: https://www.chinesepod.com/4351</p>

今天我们要跟大家介绍一个关于人体的有趣科普小知识。有时候当我们看到柠檬或想到酸酸的食物时，会忍不住流口水，你知道这是为什么吗？其实这个道理叫做条件反射，快来听听这堂课吧！ Episode link: https://www.chinesepod.com/4351

Advanced | 科普小知识：为什么看到酸的食物就会流口水？

ChinesePod makes learning Mandarin fun and easy. It isn't your typical language learning resource - we think you'll be entertained as well! 

In this Advanced Level Podcast Feed, lessons are the black-belt of ChinesePod - You can already speak circles around your friends, but are looking for “complete” fluency Chinese.

Expand your Mandarin Chinese learning experience by also SUBSCRIBING to ChinesePod - Beginner and ChinesePod - Intermediate Podcast channels. 

For a more in depth Mandarin Language learning, go to www.chinesepod.com and take us for a spin.

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ChinesePod makes learning Mandarin fun and easy. It isn't your typical language learning resource - we think you'll be entertained as well! In this Advanced Level Podcast Feed, lessons are the black-belt of ChinesePod - You can already speak circles around your friends, but are looking for “complete” fluency Chinese. Expand your Mandarin Chinese learning experience by also SUBSCRIBING to ChinesePod - Beginner and ChinesePod - Intermediate Podcast channels. For a more in depth Mandarin Language learning, go to www.chinesepod.com and take us for a spin.

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Advanced | 科普小知识：为什么看到酸的食物就会流口水？

Advanced | 科普小知识：为什么看到酸的食物就会流口水？

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