A small amount is present as myoglobin, which ACTS as an oxygen store in muscle tissue.

少量存在的肌红蛋白，它作为一个氧气储存在肌肉组织。

youdao

They also have a greater capacity than land animals to store oxygen in their blood.

它们在血液中储存氧气的能力也比陆栖动物强。

youdao

Mitochondria are the powerhouses of animal cells, converting oxygen and a metabolic product of glucose into ATP, a molecule that cells use to store chemical energy.

线粒体是动物细胞的能量来源，把氧和一种葡萄糖代谢产物转换成三磷酸腺苷（ATP），ATP是用来存储化学能量的一种细胞内化合物。

youdao

Trees are key players in regulating climate because they convert carbon dioxide, which they store in their trunks and roots, to oxygen.

CNN: Global warming threatens forests, study says