序數詞：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.

我的兒子在本次期末考試中全班排名第九。

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

這個新的場地只有原來的九分之一大。

The ninth student will get the prize I bought.

第九名的學生將獲得我買的獎品。

She was ninth in the national finals.

她在全國決賽中曾是第九名。

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

第九節課是自習時間，她會去圖書館學習。