LEARNit Dictionary
oxygen
noun
/ˈɒksɪdʒən/
UK
/ˈɑːksɪdʒən/
US
B2+
1
a chemical element. Oxygen is a gas that is present in air and water and is necessary for people, animals and plants to live.
اکسیژن, گاز اکسیژن, مولکول اکسیژن