He served in the army in the 1940's,when he was in his twenties.怎么翻译,

问题描述:

He served in the army in the 1940's,when he was in his twenties.怎么翻译,

翻译:他在1940年代参军,那时他20多岁。

他于二十世纪四十年代在军队中服役,当时他二十多岁.