SASE
noun /ˌes eɪ ˌes ˈiː/
/ˌes eɪ ˌes ˈiː/
(North American English)- an envelope on which you have written your name and address and put a stamp so that somebody else can use it to send something to you (the abbreviation used in writing for ‘self-addressed stamped envelope’)
（写上姓名地址并贴有邮票的）回邮信封（书写形式，全写为 self-addressed stamped envelope）