九岁的单词怎么写

九岁的单词是：nine years old.

例句：So, for example, my sisters birthday is December 9th and her golden birthday would have been the year she turned nine years old.

扩展资料

1、We put the boy down as nine years old.

我们估计这男孩有九岁。

2、These books are intended for children under nine years old.

这些书是专门为九岁以下的儿童设计的。

3、Hello!everyone!My name is Wang Ting.I'm nine years old.

我叫王婷，我九岁了，我喜欢弹钢琴。

4、I'm nine years old.

我今年九岁了。

5、And now, Joe, I am seventy-nine years old.

而现在，乔，我79岁了。