名词中文翻译1
中文翻译：Unknown
同义词：
['chemical', 'chemically', 'chemistry']
例句：
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1. The chemicalreactions are very complex.
化学反应非常复杂。
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2. Chemical engineers design and build industrialprocesses.
化学工程师设计和建造工业过程。
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3. Thechemical composition of the sample was determined byX-ray diffraction.
通过X射线衍射确定了样品的化学组成。