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知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。Hiccups When the diaphragm is irritated, such as when eating or ingesting quickly, it could frequently contract involuntarily, leading to hiccups. The audio of hiccups is developed when air is exhaled simultaneously the diaphragm contracts.Being fam