大家都搜：
可用氧，有效氧
1、currently available───目前可用的
2、oxygen───n.[化学]氧气，[化学]氧
3、be available───有空的；可供使用的；[经] 生效， 有效， 可供使用
4、available options───[计]可用选择
5、oxygen deficit───缺氧
6、available───adj.可获得的；可购得的；可找到的；有空的
7、oxygen mask───n.（供人吸氧时用的）氧气面罩；n.氧气面罩
8、exchanges oxygen───交换氧气
9、supplemental oxygen───[医]补充供氧，辅助供氧
1、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 available oxygen.───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、This accelerated growth also reduces the amount of oxygen available to other plant and animal species in the affected area; raising fears that it could destabilise fragile Marine ecosystems.───加速的增长减少了可供应给其他动植物的氧气量，特别是受灾区域；大大影响了海洋生态XiTong的平衡。
3、Hydrated sodium perborates for industrial use; determination of sodium oxide, boric oxide and available oxygen contents; volumetric methods───工业用水合过PengSuan钠.氧化钠、氧化硼和有效氧含量的测定.容量法
4、Those that are not eaten eventually die and rain down into deeper waters, where bacteria use available oxygen to decompose them.───没被吃掉的浮游生物最终会死亡，并沉到较深的水域，细菌会利用有限的氧气来分解牠们。
5、Our first explosion used up the available oxygen 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。
1、Plant growth also surges in the sunlight, reducing available oxygen.