oxygen · noun
Sens et exemples
Un gaz présent dans l'air dont les humains et les animaux ont besoin pour respirer.
The teacher explained why a person cannot survive for long without oxygen.
The diagram shows how oxygen moves from the lungs into the blood.
A nurse checked the equipment that supplied oxygen to the patient beside the window.
The science lesson explored how fish obtain oxygen from the water around them.
Formes
- oxygen uncountable noun