如果指她手上有一根棍子，可以说："She has a stick in her hand."
来源：这是一句基本的英语表达方式。
例句：
She was carrying a stick in her hand. (她手上拿着一根棍子。)
The pttle boy was holding a stick in his hand. (小男孩手里拿着一根棍子。)
She picked up a stick and started drawing in the dirt. (她捡起一根棍子，开始在土里画画。)