例句
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。
常用搭配
- oxygen supply｜氧气供应
- oxygen levels｜含氧量
- lack of oxygen｜缺氧
- oxygen mask｜氧气面罩
词形与相关词
oxygenate (v.) · oxygenation (n.)
用法提示
oxygen是不可数名词，不说an oxygen。