Cold plasmas are closer to room temperatures.

冷等离子体更接近室温。

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But cold plasmas can be made using high electrical voltages.

低温等离子体可以通过高电压获得。

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It has been reported that atmospheric pressure cold plasmas can kill various types of bacteria, virus, and so on.

研究表明大气压冷等离子体能够杀死各种细菌，病毒等微生物。

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But cold plasmas can be made using high electrical voltages.

ECONOMIST: Using a plasma torch to clean your teeth