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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 Once the diaphragm is irritated, such as when feeding on or drinking quickly, it could possibly repeatedly agreement involuntarily, causing hiccups. The sound of hiccups is generated when air is exhaled at the same time that the diaphragm co