Oxygen O
中文释义
n. 氧
n. a chemical element essential for life.
常用搭配
- oxygen levels氧气水平
- oxygen in the atmosphere大气中的氧气
- breathe oxygen呼吸氧气
例句
- Plants release oxygen O during photosynthesis.植物在光合作用中释放氧气。
- Oxygen O levels are crucial for human survival.氧气水平对人类生存至关重要。