单词：vacuum metallurgy
单词：vacuum metallurgy 相关文章
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用Mp3背六级单词
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
原版英语小短文
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
365个英语简短小故事
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
Scientific American(五)月
雅思口语考试很多同学面临词穷的问题，考官问个问题，就点头答good...再问个问题还是good...一句话形容词重复多次。其实，很多同学并不是词汇量不足，很多时候是不注意积累。下面新东方网
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