名词
中文翻译：Unknown
同义词：
['chemical', 'chemically', 'chemistry']
例句：
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1. Thechemical reaction between the two substances isvery 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 determinethe composition of a substance.
化学分析用于确定物质的成分。
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3. The chemical properties of waterare essential for understanding its behavior in variousenvironments.
水的各种化学性质对于理解其在各种环境中的行为至关重要。