如果对面来车，不能同时过往的翻译：If the opposite to the car, not both in the past 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

If across the car, not at the same time in the past

If the opposite to the car, not both in the past

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If not at the same time, opposite car over the past

If the opposite to the car, not both in the past