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- There are some impurities in food. 食物中有一些杂质。
- Workers are removing impurities from silver. 工人们正去除银中的杂质。
- Filtering the water removed some of its impurities. 把水过滤一下除去了一些杂质。
- Pig iron is converted into steel by removing most but not all the impurities. 生铁变成钢要除掉大部分而不是全部的杂质。
- Reductant from an extraneous source is introduced. 外来的还原剂被引进来。
- The limestone absorbs impurities from the ore. 石灰石从矿石中吸收杂质。
- Even his family had become extraneous to him. 甚至家庭对他也无足轻重。
- Impurities tend to segregate at grain boundaries. 杂质常常在晶粒间界偏析。
- To remove extraneous matter from(the teeth). 剔除从（牙上）剔除外来物质
- We shall ignore factors extraneous to the problem. 我们应该撇开与此问题无直接联系的因素。
- Care is to be taken to remove all the impurities. 要注意除去所有的杂质.
- Water call be shown as containing impurities. 可以证明水含有杂质。
- These impurities can give color to the diamond. 这些混合物可以使钻石具有颜色。
- Clean out To rid of dirt, rubbish, or impurities. 扫除,清除去除尘土、垃圾或杂质。
- It is free from air, moisture or impurities. 它不含空气，水份和杂物。
- The label has no extraneous blotches. 标签没有任何污点。
- The water is pure from impurities. 这水没杂质。
- The water is clear from impurities. 这水干净无杂质
- Not mingled or diluted with extraneous matter;pure. 未掺杂的，无杂质的，纯净的
- Refined sugar has had all the impurities removed. 精制糖已经清除所有的杂质了。
