单词详解
num. 第十三 (The thirteenth item in a series is the one that you count as number thirteen.)
The earliest stock exchanges emerge in Bruges and Italy in the thirteenth century.
最早的股票交易所出现在十三世纪的布鲁日与意大利。
The Hungarian stop is the thirteenth race in F1world championship.
匈牙利站比赛是F1世界冠军赛的第十三站赛事。
The trouble is I can't remember it's the thirteenth or the fourteenth cup.
问题是我记不得那是第十三杯还是第十四杯。
相关单词
基数词：thirteen
缩写词：13th
相关文化
Many people believe that Friday the 13th is an unlucky day, that the 13th floor of a building is unlucky (floors often skip from 12 to 14), or that the number 13 in general is unlucky. No one seems to know exactly why this came to be so, but there are many possible explanations.
很多人相信周五撞上十三号是不吉利的日子，第十三层楼不吉利（楼层直接从12跳到14），或者数字13一般不吉利，似乎没人确切知道原因，但是有很多可能解释。
One is that the superstition goes back to the Last Supper. There were 13 people at the meal, including Jesus Christ, and Judas was thought to be the 13th guest.
一个迷信要回溯到《最后的晚餐》，当时出席晚餐的包括耶稣一共十三人，而犹大（出卖耶稣的叛徒）被认为是第十三个宾客。
In some ancient European religions, there were 12 good gods and one evil god; the evil god was called the 13th god. And a meeting of witches, called a Sabbath, required at least 13 witches.
在古代欧洲的一些地区，有十二位好神仙和一位恶魔，这个恶魔就叫十三魔。女巫聚会叫安息日，要求至少十三个女巫。
Friday has also long been considered unlucky, perhaps because Christ died on Friday. Since Friday and the number 13 are both considered unlucky, then Friday the 13th is considered the unluckiest day of all.
星期五长期以来被认为不吉利，或许因为耶稣死于星期五。由于星期五和数字十三都被认为不吉利，所以周五撞上十三号是最不吉利的日子。
