单词：inert filling
单词：inert filling 相关文章
President Obama has just arrived in Afghanistan in what was an unannounced trip on this anniversary of the US raid that led to the death of al-Qaeda leader Osama bin Laden. Mr. Obama and his Afghanistan counterpart Hamid Karzai are expected to approv
2012年NPR美国国家公共电台5月
The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei
彭蒙惠英语
A: What are you doing? B: I'm just filling out applications. A: Applications for what? B: I'm filling out college applications. A:But you're already in college. B:I am going to transfer. A: What school are you going to transfer to? B: I still need to
转学-Transferring to a Universit
3. Thanks for Filling Me In 谢谢你让我知道 A: This seat taken? B: No, go ahead, be my guest. I havent seen you before. Are you new in engineering? A: Yeah, I just switched my major from computer sciencetoo much math! I couldnt take the pressur
突破英文对话
Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system
60秒科学
A Western Australian company has made a hot chip vending machine that deep fries frozen chips while you wait. 澳大利亚西部一家公司设计出一款热薯条自动贩卖机，在顾客等候期间能自动将冷冻薯条烤制成热腾腾的薯条
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