(also ˌself-addressed ˈenvelope) noun [C] (abbr sae) an empty envelope with your own name and address and a stamp on it that you send to a company, etc when you want sth sent back to you （贴上邮票写明地址的）回邮信封（以方便人家寄回某物）
stampedestampede
/stæmˈpi:d ||; stæmˈpid/noun [C] a situation in which a large number of animals or people start running in the same direction, for example because they are frightened or excited （一群动物或人因受惊、兴奋等）乱跑，惊窜，蜂拥 stampedeverb [I]