轻松帮小狗“打扫卫生”。CLEANING up after dogs is not much fun. To make it easier, a US man and his 9-year-old son invented the Pooch Power Shovel. It has a vacuum (真空吸尘器) inside, and gets dog waste into a bag ……

down dirt and stains on clothesB. the self-cleaning clothes easily wear outC. the clothes will be covered with silver and copper after self-cleaningD. people can use the self-cleaning clothes ……

break down dirt and stains on clothesB. the self-cleaning clothes easily wear outC. the clothes will be covered with silver and copper after self-cleaningD. people can use the self-cleaning clothes ……

Washing made easyMarch 28, 1797: The American inventor, Nathaniel Briggs, gets hispatent(专利... with washing. Before that, people wash clothes by hand. Theyrub(擦) or beat the clothes to make them clean ……

PARIS — Fed up with doing the laundry? Scientists are experimenting with self-cleaning clothes, whose fabric is sown with friendly bacteria to eat up dirt and human sweat, New Scientist magazine ……

if the laundry would just do itself?” Self-cleaning clothes may sound crazy. But Australian researchers..., Australia, found a way to put special nanostructures (纳米结构) into clothing, which can then clean the clothes ……

if the laundry would just do itself?” Self-cleaning clothes may sound crazy. But Australian scientists..., Australia, found a way to put special nanostructures (纳米结构) into clothing, which can then clean the clothes ……

and the other clothing materials are too strong to be broken down.D. Self-cleaning clothes may sound...结构) into clothing, which can then clean the clothes. 2._________________________The nanostructures don ……

itself. No need for soap or water, the scientists say. All you have to do is put the clothes out in the sun.According to the Guardian, this magical self-cleaning ability comes from a special chemical ……

month, every student gets a list of housework to do every weekend. Their parents help them keep track of (掌握……的进展情况) their performance. Some of the tasks (任务) are quite specific (具体的), such as cleaning ……

garbage that gets dumped (倾倒) into the streets and rivers. And so, cleaning the environment... a device to make his life easier.Damian Earley, a 17-year-old boy from Whetstone High School, US ……

) programme that tries on clothes and moves around in them just like you do.The technology produced...."Today's systems display clothes on a virtual fashion model, or on a virtual fashion model with an ……

for three hours.The resulting fabric could be used for self-cleaning clothes, and in other ways... be used to coat cotton to keep clothes clean.The particles are less than 20 nanometres across. They turn ……

a long and cold winter, nothing is better than taking off your winter clothes. You won’t need them....” Although April is rainy, May is going to be beautiful. This is also the time when we do “Spring Cleaning ……

, the famous Japanese tidier, to make our tidying up that bit easier.Like her 2012 New York Times best... are posting pictures of their tidy drawers and closets.The tidier starts each cleaning-up task ……