He reasoned that iron took on more or less oxygen in response to conditions in the kimberlitic magma itself—mainly in response to heat and the availableoxygen.
他推断，铁吸收或多或少的氧气是由于金伯利岩浆本身的条件——主要是由于热量和可用的氧气。
2
Our first explosion used up the availableoxygen in the combustion chamber and it needs to be refreshed.
我们的第一次爆炸中使用了燃烧室提供氧气，它需要被刷新。
3
This accelerated growth also reduces the amount of oxygenavailable to other plant and animal species in the affected area; raising fears that it could destabilise fragile Marine ecosystems.