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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Letter "O" stands for oxygen and "H" for hydrogen. 字母“O”代表氧，“H”代表氢。
- Closing time at this pub is eleven o' clock. 这酒馆的打烊时间是十一点。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- The child's mouth formed a big O in surprise. 那孩子惊奇得张著嘴像个大O字。
- 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。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Have you finished lunch already? It's only12 o' clock! 你已经吃过午饭了吗？现在才12点。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- Indoor air wants fresh, OK and free inspiratory oxygen. 室内空气要新鲜，可以自由吸入氧气。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- Hello. I'd like to reserve a table for two for eight o' clock, please. 你好，我要订一张今晚八点两个人的餐桌。
- 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
- Mark hauled o ff and threw a touchdown pass. 马克突然传出一个触地球。
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- The line AB intersects the line CD at O. 直线AB与直线CD相交于O点上。
