She addressed the envelope to herself

她说这封信是给她自己的。
这里的动词就是addressed, address 可以做为动词,这里是address to短语
请看下面这个句子：
I took the liberty of reading the letter, even though it was addressed to you。
尽管这封信是写给你的,但是我冒昧地看过了。
Address 可以做为动词,是写地址的意思
再看看下边的例句：
There is a letter addressed to you。
有封写给你收的信。