sign for基本解释
签收；
sign for相关例句
ph.
1. Certain classes of mail have to be signed for when they are delivered.
某些类的邮件在送达时必须签收。
sign for网络解释
1. 签收：sign away 签字放弃 | signfor 签收 | sign in 签到
2. 签收某物：excuse the mess 请原谅这么乱 | signfor 签收某物 | make a mess of sth 把...东西弄的一团糟
