childhood是可以做形容词的

例句

1、

Her father's death impacted greatly on her childhood years.

父亲去世对她的童年造成巨大影响。

2、

The writer uses her childhood as raw material for this novel.

作者将她的童年时代作为这部小说的素材。

3、

The play is loosely based on his childhood in Russia.

那部剧大致上是根据他在俄罗斯的童年生活写成的。