名词
中文翻译：氢键
同义词：
['hydrogen molecule', 'hydrogen atom', 'hydrogen ion']
例句：
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1. The strengthof a hydrogen bond is much weaker than that of a covalent bond.
氢键的强度远低于共价键。
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2.Hydrogen bonds are essential for the structure of water molecules.
氢键对于水分子的结构至关重要。
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3. In the case of hydrogen bonds, the electrons in one atom are attracted to those in another, forming a stable bond.
在氢键的情况下，一个原子中的电子被吸引到另一个原子中，形成稳定的键。