单词：derusting by sand-blast
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This is the VOA Special English Education Report. A high school student in Pennsylvania works on a math question Recently we asked how you feel about calculators in school. We heard from about thirty people in twelve countries, including a large num
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Here we go.So the Coretex has minimal damage. 开始吧。库特斯只有微小的损伤。 There is just some calcining around the edges. 边缘只有些灼烧的痕迹。 However,the Tempolite has significant damage and there's rusting around 300 d
影视剧中的职场美语
And over the next 18 months, they together passed an incredibly comprehensive set of reforms. 接下来的18个月，他们一起通过了一系列令人难以置信的全面的改革方案 They busted open Mexico's smothering monopolies. 他们破除了
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And his fancy equipment did in fact come in very handy. For years, he and Madame Lavoisier occupied themselves with extremely exacting studies requiring the finest measurements. They determined, for instance, that a rusting object doesn't lose weight
万物简史
Lesson 13 THE METAL CALLED IRON 第十三课 一种叫铁的金属 Iron is the most useful of all metals. Hammers, nails, grates, horse-shoes, railings, bridges, and many other things are made of iron. 在所有金属里面, 铁是最有用的一种。
英国学生科学读本
PERAMA, Greece - Aid workers say the Greek economic crash is causing a humanitarian crisis in one impoverished suburb of the port city of Piraeus. Most of the residents of Perama are unemployed and many are unable to afford basic healthcare or provis
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