这种液体不含有任何溶剂，比如水，并且可以在没有热量参与的情况下充电。
The liquid contains no solvent, such as water, and can be charged electrically with no heat involved.
氧气是气体中最重要的一种，正如水是液体中最后最重要的一种一样。
Just as water is the most important of liquids, oxygen is the most important of gases.
人类熟悉的很多物质都存在着不同的形式，例如水可以是液体，蒸汽和冰的状态。
Many substances man is familiar with have different forms, such as water which can be steam, water, or ice.
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