oxygenium

例句：

1. 1. The scientist discovered a new type of oxygen-rich water.
   科学家发现了一种富含氧气的水。
2. 2. Oxygen is essential for human health and the environment.
   氧气对人类健康和环境至关重要。
3. 3. The plant produces oxygen through photosynthesis.
   这种植物通过光合作用产生氧气。