n. position 13 in a countable series of things
s. coming next after the twelfth in position
num. 第十三, 十三分之一
1. My birthday is on the thirteenth of March.
我的生日是三月十三日。
2. She finished in thirteenth place in the race.
她在比赛中获得了第十三名。
3. The thirteenth chapter of the book is very interesting.
这本书的第十三章非常有趣。