岁的英语单词怎么写

1、岁的英语单词是year或者age。

2、例句：The skull bones fuse between the ages of fifteen and twenty-five.颅骨在15和25岁之间长合。

3、例句：The hero of the novel is a ten-year old boy.这部小说的主人公是个十岁的男孩。