名词
中文翻译：化学的
同义词：
['pharmaceutical', 'physicochemical', 'inorganic', 'organic']
例句：
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1. The chemical reaction between the two substances is very complex.
两种物质之间的化学反应非常复杂。
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2. Chemical analysis is used to identify the components of a substance.
化学分析用于识别物质的成分。
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3.The chemical composition of the sample was determined by X-ray diffraction.
通过X射线衍射确定了样品的化学成分。