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- Water contains hydrogen and oxygen. 水含有氢和氧。
- It's more hygienic to use disposable paper tissues. 使用一次性餐巾纸更为卫生。
- disposable oxygenator 可弃型氧合器
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Disposable diapers; disposable razors. 免洗尿布; 一次性剃刀
- 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。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- 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。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火，引起了一连串的爆炸。
- Every disposable piece of equipment was sent to the fire. 每一种可用的设备都被大火烧毁了
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- disposable oxygen face mask 一次性使用吸氧面罩
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- Disposable paper bags have been developed. 一种用后即可废弃的纸袋被设计出来了。
- Every disposable vehicle was sent. 所有能够用得上的车子都派出去了。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- Eleanor was treated as a disposable friend. 埃莉诺被当作是一个可以被摆布的朋友。
- The brochure is disposable after the meeting. 会议结束后,可以任意处理这本小册子。
- An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体，例如细菌
