名詞 twelfth:

1. position 12 in a countable series of things
2. one part in twelve equal parts
   同義詞：one-twelfth, twelfth part, duodecimal

形容詞 twelfth:

1. coming next after the eleventh and just before the thirteenth in position
   同義詞：12th

1. The twelfth in a set or sequence.
   第十二個在一套或一系列中的第十二個
2. The former champion went down to a hammer-blow in the twelfth round.
   這位前冠軍在第十二回合中受到一拳重擊而敗北了。
3. He received a twelfth of the money.
   他得到了這筆錢中的十二分之一。