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- 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。
- Considerable animal research supports the idea that even in larger mammals, decreasing levels of available oxygen can prevent damage to tissues. 许多的动物研究支持这个想法，即使是较大的动物，降低可利用的含氧量，也可以避免组织伤害。
- The experimental results showed that Fe and Mn can be removed through selecting the available oxygenant and controlling pH. 生产表明：控制一定的反应条件可有效除去铁、锰等杂质，产品质量达到化工一级品标准。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- His eloquence did not avail against the facts. 他的雄辩在事实面前不起什么作用。
- Joe tried to pull the heavy cart, but to no avail. 乔想拉那部笨重的大车，但是拉不动。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Keywords mangano manganic oxide;available oxygen;valence state analysis; 四氧化三锰;有效氧;价态分析;
- 30 percent of available oxygen is used to descend and 30 percent to equalize, 的可用氧气用在维持深度,30%25用在平衡压力
- Nothing could avail the dying patient. 没有任何东西能挽救那个濒死者
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Deodorants are available as aerosols or roll-ons. 除臭剂有喷雾装或滚抹装。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- The advice we got was of no avail. 我们得到的建议完全没用。
- Such a statement will not avail. 这样的声明没有什么用。
- The medicine did not avail against the disease. 这种药对这种病没有产生疗效。
- Speeches and protests were of no avail. 演讲和抗议全都徒劳。
- We tried to revive him but without avail. 我们试图使他苏醒,但没有成功。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
