单词:cadmium solder
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Military Training In our country, when we go to middle school, we must attend to the military training. Most students are afraid of it, because the training often happens in hot summer. In summer days, the weather is too hot to stand. But students ha
Colonel: What seems to be the problem, gentlemen? Solder: we’ve got us a crazy one here, sir Solder: Pure mustang(野马), Colonel(陆军上校). Colonel: Really? Colonel: The army has dealt
New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc
1555 、 制作过程 workingprocess 1556 、 制作图;工作图 workingdrawing 1557 、 制造方法 productionmethod 1558 、 制图;绘图 drawing 1559 、 诱导抗力 induceddrag 1560 、 辅助
the news this morning, British police arrested six people who is expected to plotting a terrorist attack that side is part of ongoing investigation and this not linked to this month's Olympics. Wiki leaks is publishing more than two million mo says w
He had approached the villa on that night of the storm not out of curiosity about the music but because of a danger to the piano player. The retreating army often left pencil mines within musical instruments. Returning owners opened up pianos and los
He's test firing, recalibrating and threatening to attack. As Kim Jong-un races to perfect its ballistic missile capability, there are serious questions whether the US can defend against that threat. The anti-missile system that would shoot down Nort
Leaving Old Bahama Channel, which is fourteen leagues wide by 350 meters deep, the Gulf Stream moves at the rate of eight kilometers per hour. 从巴哈马运河出来时,海湾暖流在14里宽、350米深的范围内以每小时8公里的速度流动
U.S. Secretary of State John Kerry has met with Palestinian President Mahmoud Abbas to discuss the unabating violence in the West Bank and Jerusalem. Six months of Palestinian attacks on Israeli civilians, police, and soldiers have left nearly 30 Isr
203.The smuggler走私分子 sly-solemn I am a smuggler. Once or twice a month, I go up river to get a load of contraband and smuggle it back across the border. I was in a water front bar once, when I met a man obviously of some social distinction. B
Obama Wants Improved Safety for US Troops 奥巴马希望改善军队安全问题 WASHINGTON President Barack Obama said more must be done to improve the safety and health of U.S. troops both in the war zones and at home. Obama made his remarks at a
The Winkies lifted him tenderly in their arms, and carried him back to the Yellow Castle again, 那些温基人,轻手轻脚地,把他扶起在他们的手臂上,抬着他跋涉着回到黄色的城堡里, Dorothy shedding a few tears by the
BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu
By Nico Colombant Dakar 11 May 2007 The presidential guard in Guinea blocked hundreds of soldiers from marching on the presidential palace in Conakry Friday. The soldiers are demanding back pay and calling on top military officials to resign. VOA's N
US High School Students Shine in Prestigious Science Competition Twenty U.S. high school students were in Washington, D.C., this week squaring off in one of the nations premier science research contests. The prize: a half million dollars in college s
Absurdly, he was excluded from a 1971 National Research Council panel appointed to investigate the dangers of atmospheric lead poisoning even though he was by now unquestionably the leading expert on atmospheric lead. 荒唐的是,一个美国研究委
10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur