We now know that after being transported into the forest in trucks, the Polish PoWs were discharged into a barbed wire cage, which acted as a temporary holding pen.

我们现在才知道，被卡车运到森林后，波兰俘虏们被关入一个用有刺铁丝网笼做的临时监狱。

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The tame bird was in a cage, the free bird was in the forest.

驯养的鸟儿在笼里，自由的鸟儿在树林。

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