柯林斯词典snail mail 1. N-UNCOUNT Some computer users refer to the postal system as snail mail, because it is very slow in comparison with e-mail. (与快速电子邮件相对比的) 传统纸本邮件 返回 snail mail剑桥词典letters or messages that are not sent by email , but in the post 平信，传统信件 We agreed the deal online , but we'll have to wait for snail mail to get the paperwork . 我们在网上达成了交易，但是还得等平信寄来书面文件。 返回 snail mail