The author paints a stark picture of life in a prison camp.

作者描绘出一幅冷酷而真实的战俘营生活画面。

《牛津词典》

He was shot down over Denmark and spent three years in a prison camp.

他在丹麦上空被击落，在战俘集中营呆了三年。

《柯林斯英汉双解大词典》

Here is not really a prison camp.

这里并不是真的战俘营。

youdao

McKean has both a medium security prison and a prison camp.

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After their capture, Kapaun and wounded soldiers able to walk were marched to a prison camp near Pyoktong, just south of the Yalu River in North Korea.

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The U.S. military is trying to improve conditions for the nearly 20, 000 inmates it's holding at Camp Bucca, a prison camp in the desert of far-southern Iraq.

NPR: U.S. Tries for Better Conditions at Iraq Prison Camp