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She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She
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1933 、 点 dot 1934 、 点阵间距；点阵间隔 latticespacing 1935 、 点焊接 spotwelding 1936 、 醛树脂；电玉 ureaformaldehyde(UF) 1937 、 断面线 crosshatchingline 1938 、 断裂
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Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it
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This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
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highway code交通法规; traffic sign交通标志; accelerate加速; brake刹车; engage the clutch接上离合器; change gear变速; start up起动; decelerate减速; top speed最高速度; park停车; switch off the motor熄火 本文由在线英语
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