我们曾pick up那架飞机失事前发出的无线电求救信号的翻译：We used to pick up radio signals before the crash of the plane 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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We used to pick up radio signals before the crash of the plane

We once pick before the up that aircraft accident sent out radioly prays for rescue the signal

We had pick up before the crash the radio distress signal

We used to pick up radio signals before the crash of the plane