问题描述：
On the second or third floor,the best windows for escape are those that open onto a roof.From the r
On the second or third floor,the best windows for escape are those that open onto a roof.From the roof a person can drop to the ground more safely.
翻译一下这句话
On the second or third floor,the best windows for escape are those that open onto a roof.From the roof a person can drop to the ground more safely.
翻译一下这句话
问题解答：
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