Think about it, what happens when you swallow a mouthful of beer on Earth?

想想看，在地球上你吞一口啤酒会发生什么？

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When you swallow food, it travels down your esophagus into your stomach. Here enzymes and acids go to work on the food, beginning the process of breaking the food down.

你吞下的食物会穿过食道进入胃里，胃里的各种酶和酸会分解食物，开始消化的过程。

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Do you cough or gag when you try to swallow?

CNN: Difficulty swallowing