资料来源：

https://www.google.com/url?sa=i&url=https%3A%2F%2Fpreppykitchen.com%2Fbaked-donut-recipe%2F&psig=AOvVaw3Sj0InwmH3XpnLSwm4C4cf&ust=1693969006115000&source=images&cd=vfe&opi=89978449&ved=0CA4QjRxqFwoTCJDrk7u8koEDFQAAAAAdAAAAABAD

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