单词：spray rinsing
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It may look all shiny and new, but your smartphone is probably one of the filthiest things you own. The amount of bacteria and germs it carries is disgustingly huge, which is probably why a Japanese company is targeting germaphobes with the worlds fi
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Spray Detects Hard-to-Find Tumors Surgeons may soon have a new tool to help locate early-stage cancerous growths; a spray that turns fluorescent green when it comes into contact with tumors. The spray is clear, but contains a non-toxic dye that almos
VOA标准英语2011年(十一月)
Beginners. The unfortunate thing about cooking is the cleaning up that you need to do afterwards. Oh drudgery! The endless pile of cups, plates, cutlery, and pots and pans can spoil an otherwise fun evening. I am used to cleaning the kitchen. I do it
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It's not exactly a newsflash that one of the most important reasons to brush your teeth is to fight off cavities (not to mention prevent bad breath). But what if the way you brush your teeth actually makes you more susceptible to cavities, tooth deca
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Having a cleaner is one of life's luxuries but if you can't afford the privilege, professionals have shared their best cleaning hacks online - and you can steal them. 生活中能拥有一台清洁机是很奢侈的，但如果我们买不起这样的奢
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4 Secrets To Never Getting Sick 从不生病的4个小秘密 Ever wonder why you always seem to come down with a life-interrupting virus this time of year, while other women you know sail through the seasons sniffle-, cough-, and ache-free? 有没有想
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