在无水无氧的条件下的翻译：In the absence of water under oxygen-free conditions 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

Under anaerobic conditions in the water

In the absence of water under oxygen-free conditions

In under anhydrous non-oxygen condition

There is no water in anaerobic conditions,

In the absence of water under oxygen-free conditions