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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Ozone is molecules that each consists of three oxygen atoms. 臭氧是由3个氧原子构成的分子。
- Ozone is a molecule that consists of three oxygen atoms. 臭氧是由3个氧原子构成的分子。
- Under ultraviolet rays, oxygen is photolysis, thus producing ozone. 空气中氧气在紫外光的照射下,发生光解作用,产生臭氧。
- 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。
- Oxygen can be changed into ozone by ultraviolet rays. 氧气在紫外光的作用下可转变为臭氧。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- In addition, unused ozone naturally and quickly decays to oxygen. 除此之外,不用的新鲜空气自然地而且很快地衰退到氧。
- 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。
- The pollution had destroyed ozone layer and caused many changes in weather. 污染破坏了臭氧层,并引起了许多天气变化。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- CFCs cause depletion of atmospheric ozone. 氟氯化碳会损耗大气臭氧。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- Dyes have to be more resistant to ozone. 染料更能抵制臭氧。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- To treat or impregnate with ozone. 用臭氧处理,使充满臭氧进行臭氧处理或注入臭氧
- The active ozone is a slightly ionic form of a bent array of oxygen atoms. 活泼的臭氧是氧原子横向排列的微电离型。