N-COUNT 回邮信封(贴上邮票并写好姓名地址)(缩略形式为 s.a.e.) A stamped addressed envelope is an envelope with a stamp on it and your own name and address, which you send to someone so that something can be sent back to you. The abbreviation s.a.e. is also used. 回邮信封(贴上邮票并写好姓名地址)(缩略形式为 s.a.e.) [British]