名词
中文翻译：化学物质的
同义词：
['pharmaceutical', 'organic', 'biological']
例句：
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1.The chemical reactions are responsible for the formation of new compounds.
化学反应负责形成新的化合物。
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2.Chemical analysis is a crucial step in the process of identifying substances.
化学分析是识别物质过程中的关键步骤。
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3.The chemical composition of the sample was determined using spectroscopy.
通过光谱学确定了样本的化学成分。