10th是10岁的意思吗

10th不是10岁的意思，是第十的意思

例句

1、

He was down on all cards at the middle of the tenth round.

到第十回合的中途，他在所有裁判记录卡上分数还是落后。

2、

The elevator was out of order and we had to walk up to the tenth floor.

电梯坏了，我们不得不徒步登上第十层楼。

3、

The team chalked up their tenth win this season.

这支队本赛季已赢了十场比赛。