ten的序數詞形式

序數詞形式是tenth，例如：

1、He was down on all cards at the middle of the tenth round.到第十回合的中途，他在所有裁判記錄卡上分數還是落後。

2、The elevator was out of order and we had to walk up to the tenth floor.電梯壞了，我們不得不徒步登上第十層樓。