sevensn.(纸牌)七点
sevennum.七
seven-segment conversion七段变换
seven-charactered verses七律
seven point eight per cent百分之七点八
seven hundred and thirteen(=713) 七百一十三
seven thousand six hundred(=7600) 七千六百
seven words ancient poetry七言古诗
seven-generation parents七世父母
seven-day notice deposit七日通知存款
seven thousand two hundred(=7200) 七千二百
seven-channel paper tape七单位纸带