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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Sulfur is twice as heavy as oxygen. 硫是氧的两倍那么重。
- Sulfur can be used to make gunpowder. 硫磺可以用来制造火药。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- 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。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- Iron and steel with too much sulfur are red-short. 含硫过多的铁和钢都是热脆性的。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- Sulfur is an essential nutrient for plants. 硫是植物的一种重要的营养元素。
- 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
- To eliminate sulfur from(petroleum, for example). 脱硫(例如,从石油中)除硫
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- It is a new kind of fuel cell following AFC, MCFC, PAFC and SOFC. 它是继碱性燃料电池、磷酸燃料电池、熔融碳酸盐燃料电池和固体氧化物燃料电池之后发展起来的一种新型燃料电池。
- The unionized sulfur species is ??in water. 溶于水中非电离形式的硫即?妗?/UK>
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。