名词
中文翻译：分子振动
同义词：
['molecular oscillation', 'molecular motion例句：1. The molecular vibration of the gas is responsible for its density.（气体的分子振动对其密度负责。）2. In the study of molecular vibrations', 'scientists use spectroscopy to analyze the energy levels of atoms and molecules.（在研究分子振动时，科学家使用光谱学来分析原子和分子的能量级。）']
例句：
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1. The molecular vibration of the gas is responsible for its density.
气体的分子振动对其密度负责。
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2. In the study of molecular vibrations, scientists use spectroscopy to analyze the energy levels of atoms and molecules.
在研究分子振动时，科学家使用光谱学来分析原子和分子的能量级。
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3. The molecular vibrations of the crystal are responsible for its unique properties.
晶体的分子振动对其独特的性质负责。