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- To remove extraneous matter from(the teeth). 剔除从（牙上）剔除外来物质
- Not mingled or diluted with extraneous matter;pure. 未掺杂的，无杂质的，纯净的
- Not mingled or diluted with extraneous matter; pure. 未掺杂的，无杂质的，纯净的
- The participants are not allowed to put any extraneous matter such as chalk, filter or similar materials into the pipe. 参赛者不可将任何外物，诸如白垩，滤芯和类似物质，置放于烟斗之内。
- It is with the proper color, odor and smell of apple, and no extraneous matters and moldiness. 具有该苹果正常的色泽、气味和滋味，无异味、无霉变、无杂质。
- water free of extraneous matter; 去除外来杂质的水；
- water free of extraneous matter; foreign particles in milk. 去除外来杂质的水；牛奶中的异质颗粒。
- Spices and condiments--Determinaiton of extraneous matter content 香辛料和调味品外来物含量的测定
- As a matter of fact, I've never been there before. 事实上我从未到过那儿。
- He professed to know nothing about the matter. 他声称对此事一无所知。
- Don't refer to this matter again, please. 请不要再提这件事了。
- He is the prime mover in the whole matter. 他是整个事件的发起者。
- The article is devoid of substantial matter. 这篇文章缺乏实质性的内容。
- I am afraid you have not appreciated the urgency of the matter. 恐怕你还没有意识到这件事的紧迫性。
- I will never swerve from my declared policy on this matter. 我决不背离我已经宣布的在这个问题上的政策。
- His influence on this matter is paltry. 他对这件事的影响是微不足道的。
- reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities. 使变得精细无杂质或处于纯状态；从异物中分离或使混杂物纯净。
- This matter is of paramount importance. 此事至关重要。
- I must enquire further into this matter. 我要进一步调查此事。
- reduce to a fine,unmixed,or pure state; separate from extraneous matter or cleanse from impurities 使变得精细无杂质或处于纯状态；从异物中分离或使混杂物纯净
