a chemical element. Oxygen is a gas that is present in air and water and is necessary for people, animals and plants to live. 氧;氧气 Extra ExamplesTopics Physics and chemistryb2The patient didn't seem to be getting enough oxygen. 病人似乎缺氧。 After dark the plants stop producing oxygen. 天黑后植物不再制造氧气。 There was a risk the brain might be starved of oxygen. 大脑可能有缺氧的危险。 the blood which carries oxygen to the brain 把氧输送到大脑的血液
Oxford Collocations Dictionaryadjective- pure
- liquid
- atmospheric
- …
- carry
- contain
- absorb
- …
- atom
- molecule
- level
- …
- a lack of oxygen
- a supply of oxygen
Word Originlate 18th cent.: from French (principe) oxygène ‘acidifying constituent’ (because at first it was held to be the essential component in the formation of acids).