ord.第十三
short十三分之一
n.第十三，十三分之一

原形：thirteenth复数：thirteenths

The thirteenth floor of this building is said to be haunted.
这栋大楼的第十三层据说有鬼。
Today is my thirteenth birthday, and I'm officially a teenager!
今天是我十三岁生日，我正式成为青少年了！
According to the lunar calendar, the thirteenth month is an intercalary month.
根据农历，第十三个月是闰月。
In some cultures, the number thirteen is considered unlucky.
在某些文化中，数字十三被认为是不吉利的。
We're meeting at the thirteenth street cafe for lunch.
我们约在第十三街的咖啡馆吃午饭。
She was the thirteenth contestant to be eliminated from the competition.
她是比赛中第十三个被淘汰的选手。
The thirteenth amendment to the US Constitution abolished slavery.
美国宪法第十三条修正案废除了奴隶制。
The thirteenth century saw significant advancements in Gothic architecture.
十三世纪见证了哥特式建筑的重要发展。
It's my thirteenth time visiting this beautiful city, and it never gets old.
这是我第十三次游览这座美丽的城市，每次都令人感到新鲜。
In the Harry Potter series, Hogwarts has four houses; Gryffindor, Hufflepuff, Ravenclaw, and Slytherin, but there used to be a fifth one called Thirteenth House.
在哈利·波特系列中，霍格沃茨有四个学院：格兰芬多、赫奇帕奇、拉文克劳和斯莱特林，但过去曾有一个叫做“第十三学院”的。