oxygen
/ˈɒksɪdʒən/ · /ˈɑːksɪdʒən/
CEFR level B2Topic ScienceWord #4686 in the learning path
氧；氧气
Definitions
n. A gas needed by most living things for life.
氧；氧气
Example
The nurse gave him oxygen through a clear plastic mask.
护士通过透明塑料面罩给他输氧。
Pollution can reduce oxygen levels in rivers, making it difficult for fish and other aquatic organisms to survive.
污染会降低河流中的含氧量，使鱼类和其他水生生物难以生存。
Collocations
- oxygen supply
- oxygen levels
- lack of oxygen
- oxygen mask
Word family
- oxygenate (v.)
- oxygenation (n.)
Usage tip
oxygen是不可数名词，不说an oxygen。
FAQ
- What does oxygen mean?
- A gas needed by most living things for life.
- How is oxygen pronounced?
- UK /ˈɒksɪdʒən/, US /ˈɑːksɪdʒən/. Use the audio buttons above to listen.
