sixth       
 ordinal number uk/sɪksθ/ us/sɪksθ/
A2 第六(的)
6th written as a word
  I have to return my library books on the sixth (of July). 我得在(7月)6号归还图书馆的书。 
 Jim was/came sixth in the 100 metres. 吉姆在百米比赛中获得第六。 
 - More examples
 - This is my sixth class.
 - It's the sixth jacket I've bought this season.
 - She came sixth in the race.
 - He was the sixth person to arrive at the meeting.
 - It was United's sixth consecutive win this season.
 
sixth       
noun [ C ] uk/sɪksθ/ us/sɪksθ/
 六分之一
one of six equal parts of something
  Cut the cake into sixths. 把蛋糕切成6块。