“封套”怎么读

新唱片的封套上不会出现他的照片。There are to be no pictures of him on the sleeve of the new record.他把密封那份电报的封套拆开.He opened the cover in which the message was enclosed.莱门把那包东西顶上的封套撕开.Lyman tore the cover from the top of the package....

“封套”的英语可以翻译为：entire，big envelope (for holding documents, books, etc.)，envelope，packet ...