小写字母a外加个圆圈,这一符号常出现在e-mail(电子邮件)地址中,通常是作为“at”,(在)的标记。@这一符号起源于中世纪僧侣疲劳的双手。中世纪时印刷机尚未发明,要出版一本书,每一个单词的每一个字母都得用手工辛苦地刻出来。从事这项长时间誊写刻画的僧侣们就开始寻找减少每一 The lowercase letter a plus a circle, this symbol often appears in the e-mail (e-mail) address, usually as “at”, (in) mark. @ This symbol originates from the fatigued hands of medieval monks. In the Middle Ages, the printing press had not yet been invented. To publish a book, each letter of every word had to be hard-coded by hand. The monks engaged in this prolonged portrayal began to look for less