单词：Circuit traces
单词：Circuit traces 相关文章
But it had taken Pusch and Bietak years of excavation just to unearth the garrison. At this rate of digging ,it would take hundreds of years to prove if they had truly found the site of Piramesse. And so they turned, instead, to a new technology tha
遗失的法老城市
Youre not under arrest, despite the fact that you probably have some drugs in your pocket. Because theres a good chance your paper money contains trace amounts of cocaine. According to a study presented August 16th at the American Chemical Societys n
Scientific American(八)月
We tend to think of cavemen as pretty serious carnivores, hunting game and then roasting the yummy bits over a roaring campfire. But scientists just reported discovering traces of starch on some ancient stone tools. Which suggests that there were pro
Scientific American(十)月
今天我们要讲几个在美国总统大选的竞选阶段常会用到的习惯用语。美国总统大选每四年举行一次。在大选年的前一年,准备竞争本党总统候选人提名的人士就已经在各州积极展开竞选活动了，
美国习惯用语
今天我们要学的词是contaminated。 Contaminated污染的。A California meat company recalled about 3500 pounds of hamburger patties that may be contaminated with E. Coli. 加利福尼亚州的一个肉类产品加工厂宣布回收大约3500磅
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TUNIS, March 24 (Xinhua) -- Elena Svitilona of Ukraine won the la Marsa Open after beating Bulgaria's Isabelle Shinikova 7-6, 7-6 in the final on Saturday in the north of the capital. On Friday, Svitilona easily defeated Tunisian hopeful Ons Jabeur,
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