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Fav十万个为什么
为什么遇到打雷要把嘴张开？
遇到打雷时把嘴张开，主要是为了平衡耳膜两侧的气压，防止耳膜因声波冲击而受损。
1、声波冲击：打雷时产生的巨大声响会引发空气强烈振动，这种振动可能对耳膜造成压力冲击，导致耳膜受损。
2、耳膜保护：张开嘴巴可以使咽鼓管打开，连接口腔和耳部，从而平衡耳膜两侧的气压，避免因气压差过大而损伤耳膜。
3、气压平衡：通过张嘴，外界气压与耳内气压得以流通，减少声波对耳膜的冲击力，起到保护作用。
总结：遇到打雷时把嘴张开，主要是为了平衡耳膜两侧的气压，防止耳膜因声波冲击而受损。
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