1、七[数]seven;[名]aseventhdayafterdeath,whensacrificeisoffereduntilseventimessevendaysisover;

2、[例句]他介绍了些十六七岁的女孩给他那些有权势的朋友当情人。Heprocuredgirlsof16and17tobemistressesforhisinfluentialfriends.