she stamped out the letters 'SOS ' in the snow. 请问为什么是 stamp

请问"we have made a stamped hole in the PCB. play in the snow为什么用in Snow patrol - Called Out In the Dark 空间播放链接~ snow patrol called out in the dark歌词翻译 Grace,don't go out in the (snow) weather She's in Snow White and the Seven Dwarfs.翻译 for a whole night she(lay)buried in the snow For a whole night she---buried in the snow 翻译she lives out in the country she s() in working out the problem sound out the letters的中文翻译? this stamp is the ------ in my collections