十五用英语怎么说

十五用英语怎么说：fifteen

1. 我十五岁了。I am fifteen years old.

2. 十五个人参加了比赛。Fifteen people participated in the competition.

3. 明天是十五号。Tomorrow is the fifteenth.

4. 我在十五分钟内完成了作业。I finished the homework in fifteen minutes.

5. 这个房间有十五个座位。There are fifteen seats in this room.