氧

• 拼音: yǎng
• 汉字拆解: 氧 = 气 (gas/air radical — signifying a gaseous element) + 羊 (phonetic component — providing the sound yang)

含义

Oxygen (O). The chemical element essential for aerobic respiration and combustion, making up approximately 21% of the Earth's atmosphere.

Key compounds: 氧气 (oxygen gas), 氧化 (oxidation), 氧化物 (oxide), 供氧 (oxygen supply), 缺氧 (oxygen deficiency/hypoxia), 液氧 (liquid oxygen). Central to chemistry, medicine, and environmental science. Also used colloquially: 高含氧量 (high oxygen content) in contexts praising fresh air or forests.

例句

1. 高海拔地区空气稀薄，氧气含量明显低于平原地区，初到高原的人容易出现头痛、气短等高原反应症状。
2. 燃烧反应的本质是可燃物与氧发生剧烈的氧化反应，并在此过程中释放出大量热能和光能。
3. 患者送入急救室后，医护人员立即为其佩戴面罩进行吸氧治疗，同时密切监测其血氧饱和度的变化情况。

用法指南

语境: science, medicine, chemistry, environment

语气: neutral

正确说法

• 人体在正常生理活动中每时每刻都需要消耗一定量的氧，大脑对缺氧尤为敏感，短短几分钟的严重缺氧便可导致不可逆的神经损伤。(The human body consumes a certain amount of oxygen at every moment of normal physiological activity; the brain is particularly sensitive to oxygen deprivation — even a few minutes of severe hypoxia can cause irreversible neurological damage.)
• 植物通过光合作用吸收二氧化碳并释放氧气，从而在调节大气中气体成分、维持地球生命所需的氧浓度方面发挥着至关重要的作用。(Plants absorb carbon dioxide and release oxygen through photosynthesis, thereby playing a crucial role in regulating the composition of atmospheric gases and maintaining the oxygen concentration necessary for life on Earth.)

错误说法

• 呼吸氧 — the standard expression is 吸氧 (inhale/absorb oxygen) or 呼吸氧气; just 呼吸氧 omits the required noun suffix 气 and sounds incomplete in Standard Chinese

起源与历史

氧 = 气 (gas/vapour — 米 rice + 气 breath, depicting steam) + 羊 (sheep/phonetic — originally used for the acid oxygen was first associated with)

文化背景

时代: Modern

世代: All ages

社会背景: Universal