nineteen

十九的、十九個

There are nineteen students waiting outside the classroom right now.

現在有十九個學生在教室外面等著。

十九歲的

My cousin is nineteen years old and studies engineering.

我表弟十九歲，讀的是工程。

十九

Add nineteen to the total and write down the answer.

把十九加進總數，然後寫下答案。

十九歲

She moved to the city at nineteen to find work.

她十九歲時搬到城市去找工作。