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- Yellow ketone is a colourless organic compound, natural yellow dyestuffs are mostly hydroxyls or first oxygen base substituents of yellow ketone or yellow ketone alcohol. 由于天然染料分子结构各不相同，染色方法也有较大差异。
- Although nonflammable, oxygen is a strong oxidizer. 尽管不可燃，氧是一种强氧化剂。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The fuel and oxidizer are kerosene and liquid oxygen, respectively. 燃烧剂和氧化剂分别为煤油和液氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Our quality is based solely on our sales samples. 我们的质量完全以货样为准。
- Co - based oxide thermoelectric ceramics 钴基氧化物热电陶瓷
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- The story is based mainly on tradition. 这故事主要来自传说。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- The story is based on historical facts. 这个故事是以历史事实为根据的。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- Liquid oxygen,especially when used as a rocket fuel oxidizer. 液氧液态的氧气，尤其用来作火箭燃料氧化剂
- Based on speculative or abstract reasoning. 哲学上的，理论上的建立在思辩或抽象的推论之上的
- Liquid oxygen, especially when used as a rocket fuel oxidizer. 液氧液态的氧气，尤其用来作火箭燃料氧化剂
- The TV play was based on real life. 那出电视剧是根据现实生活写成的。
- Capitalism is based on private ownership. 资本主义是建立在私有制基础上的。
- 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。
- Our conclusion is based entirely on fact. 我们的结论完全是实事求是的。
- This play is based on a true story. 这出戏以真事为基础。
