Perineal protection is more difficult to achieve, especially if the child is not toilet trained . 保持会阴部清洁是较困难的，尤其是对于那些还不能自己控制大小便的小儿。
Sanitation, clean stock, and soil sterilization or pasteurization provide three legs of a good preventive program . 清洁卫生、砧木消毒和土壤消毒这是良好的预防计划的三条腿。
Such acts of "clearing the air" are often more helpful to the clearer than to those who are starkly revealed . 这种“净化空气”的作法对清洁者经常比对那些彻底被揭露者更有利。
Her ideal of marriage had been to gain a husband and an orderly, well-furnished home at the same time . 她的婚姻理想是，即要找到一个丈夫，同时也要找到一个整齐，清洁，设备齐全的家。
Contamination is a continual worry even in the cleanest equipment and the most favourable experimental situation . 甚至在有最清洁的设备和最好的实验条件时，沾染也是一个始终存在的问题。
A clean bill of lading is one which bears no superimposed clauses expressly declaring a defective condition of the goods or packaging . 所谓清洁单据，指提单上并未明确批注货物或包装有何缺点。
She needs to know the intricacies of purchasing on a large scale, as well as how to make beds and clean carpets properly . 她必须懂得如何正确铺床叠被、清洁地毯，还必须了解采购大宗物品这种复杂工作。
General peckem's communications about cleanliness and procrastination made major major feel like a filthy procrastinator . 佩克姆将军谈到清洁和拖延的那些简报，使梅杰少校感到自己象一个邋遢的、作风拖拉的家伙。
By manipulating light reflection to give the appearance of cleanliness, the presence of soils on textiles may be covered without removing them . 通过控制光线的反射，可以提高纺织品的表观清洁程度，因污垢被掩盖而不必全予以去除。
A simple and quick inspection method is now needed, since almost any well washed slide appears immaculately clean under normal room light . 洗好的衬底需要有简单而快速的检验方法，因为在普通室内光线照射下几乎所有很好清洗过的衬底看起来都是十分清洁无瑕。
