“信封”的拼音？

“信封”的英语可以翻译为：envelope，envelop，mailer ...

我想你或许想要读一下信封里的内容。I thought you might like to read the enclosed.请于今日将随函附上的捐款表格用所提供的邮资预付的信封寄回。Return the enclosed Donation Form today in the prepaid envelope provided.信封被人动过手脚，然后又用胶带封上了。The envelope has been tampered with ...