oxygen/'ɒksɪʤən $ 'ɑːk-/

n. a gas in the air that most animals and plants need to live

n. [U] 氧；氧气：Blood carries oxygen to all parts of the body. 血液将氧运送到身体的各个部位。

◇Animals and human beings can't live without oxygen. 没有氧气，动物和人无法存活。

构词oxy + gen （生成）

同根 hydrogen