名词
中文翻译：化学的
同义词：
['pharmaceutical', 'physicochemical']
例句：
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1.The chemical reaction between the two substances is very complex.
这两种物质之间的化学反应非常复杂。
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2. Chemical analysis is a crucial step in the testing process.
化学分析是测试过程中至关重要的一步。
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3. Many drugs are derived from natural chemicals found in plants and animals.
许多药物是从植物和动物中发现的自然化学物质中提取出来的。