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·笑一笑·蓝蓝的疑问洗澡时,蓝蓝问妈妈:“肚脐怎么来的?”妈妈说:“你生下来后,医生把你和妈妈相连的脐带剪断,并打了一个结,就成了肚脐。”
When you're born, the doctor cuts off the umbilical cord that connects you to your mom and makes a knot. When you take a bath, the blue asks Mom: “How's the navel?” “Mom said:” , It becomes navel. "