oxhydryl

例句：

1. 1. The reaction between oxygen and hydrogen is a fundamental process in many chemical reactions.
   氧气和氢气之间的反应是许多化学反应中的基本过程。
2. 2. Oxygen is essential for life as it is required for cellular respiration.
   氧气对于生命至关重要，因为它是细胞呼吸所必需的。
3. 3. The oxidation state of an atom can be determined by the number of electrons it has.
   一个原子的氧化态可以通过它拥有的电子数来确定。