nine的序数词？

nine的序数词？

序数词：ninth

num. 第九；第九名；九度音

n. 九分之一

adj. 第九的；九分之一的

My son ranked ninth in the class in this final exam.

我的儿子在本次期末考试中全班排名第九。

The new site is only one ninth the size of the original one.

这个新的场地只有原来的九分之一大。

The ninth student will get the prize I bought.

第九名的学生将获得我买的奖品。

She was ninth in the national finals.

她在全国决赛中曾是第九名。

She'd go to the library during ninth period, when she had study hall.

第九节课是自习时间，她会去图书馆学习。