单词详解

num.十三，十三个 (the number 13) 
I've known Bill for thirteen years. 我认识比尔十三年了。

He was hidden for thirteen days. 他被隐藏了十三天。

Each person takes thirteen cards. 每人派十三张牌拿着。

They tried to walk thirteen kilometers. 他们试着走了十三公里。

The car accident caused thirteen deaths. 那场车祸造成十三人死亡。

It's a thirteen-hour flight. 这次航程要十三小时。

Thirteen states forms the original union. 十三州组成最初的美利坚合众国。

There are thirteen beautiful waterfalls in Yosemite valley.

在约赛密地国家公园有十三个美丽的瀑布。

France helped the thirteen colonies establish the first New World democracy.

法国帮助十三个殖民地建立了新大陆的第一个民主政体。

During the expedition, they walked ten to thirteen hours a day.

在探险期间，他们每天都要走十到十三个小时。

I went from not practicing at all to thirteen hours a day.

我从毫不练习一下子跳跃到一天练习十三个小时。

相关单词

序数词：thirteenth

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。