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- In some religions pork is considered impure. 某些宗教认为猪肉是亵渎的。
- The air of a big city is often impure. 大城市的空气往往是污浊的。
- impure methane [化] 沼气
- Platinum, especially as found naturally in impure form. 天然铂铂，尤指自然界中发现的以不纯的形式存在的铂
- Methane may have extraterrestrial significance. 甲烷具有星际意义。
- In some religions, pork is considered impure. 某些宗教认为猪肉是亵渎的。
- Impure drinking water is a cause of disease. 不洁的饮用水是引发疾病的一个原因。
- Methane is said to be hydrophobic. 甲烷被称为疏水的。
- They were able to nitrate methane to nitromethane. 他们能将甲烷硝化成硝基甲烷。
- To process(impure metal) by puddling. 通过搅炼对（不纯净的金属）进行加工
- The rest is mostly methane and ammonia. 其余的几乎都是甲烷和氨。
- Many of the deposits are too small, too impure. 许多蕴藏量太小，质地太不纯。
- Must be some kind of methane buildup. 应该是沼气集聚起来了.
- Full of foul or impure matter;fecal. 污秽的充满臭的或不净的东西；糟粕的
- To process(impure metal)by puddling. 通过搅炼对(不纯净的金属)进行加工
- Study of Particulate Methane Monooxygenase From M. 颗粒性甲烷单加氧酶的研究。
- To render impure or morally harmful;corrupt. 腐败，不洁使变得不纯洁或道德上有害的;败坏
- Advances in Methane Emission from Rice Paddies. 水田甲烷排放研究进展。
- Methane Hydrate - an alternative fuel source? 甲烷水合物-替代燃料来源?
- Full of foul or impure matter; fecal. 污秽的充满臭的或不净的东西；糟粕的
