名词
中文翻译：Unknown
同义词：
['sublimation', 'vaporization', 'evaporation']
例句：
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1. The process of sublimation is the conversion of solid materials into gases.
升华过程是将固态物质转化为气体的过程。
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2. During sublimation, the substance changes directly from a solid to a gas without going through a liquid state.
在升华过程中，物质直接从固体变为气体，不经过液态状态。
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3. Sublimation is a natural process that occurs in certain minerals and rocks.
升华是一种自然过程，在某些矿物和岩石中发生。