低锡巴氏合金

VOA标准英语2013--Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem

Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem Flying Canvases They are gentle, colorful creatures that move with grace and flair. And in a warm and humid enclosure at the Smithsonians National Museum of Natural History in Washi

发表于:2018-12-08 / 阅读(220) / 评论(0)

VOA标准英语2013年(三月)

CNN 2011-04-17

Today the House will vote on the largest non-defense spending cut in our nations history $315 billion dollars over the next 10 years. These are real cuts, and a signal to job creators that were serious about stopping Washingtons spending binge. Liste

发表于:2018-12-20 / 阅读(138) / 评论(0)

CNN2011年(四)月

机械类词汇大全-28

1135 、晶体点阵；晶体格构；晶格 crystallattice 1136 、棘轮和爪 ratchetandpawl 1137 、棘齿 ratchet 1138 、棘齿弓钻 ratchetbrace 1139 、壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(187) / 评论(0)

英文名句短语

机械类词汇大全-12

463 、自感量 self-inductance 464 、自感应 self-induction 465 、色彩；颜色 colour 466 、色调 tone 467 、色环 colourwheel 468 、行星齿轮；周转齿轮 epicyclicgear 469 、

发表于:2019-01-03 / 阅读(152) / 评论(0)

英文名句短语

SSS 2009-11-18

You've probably heard the expression a heart attack on a plate. Maybe its fettuccini alfredo. Or maybe its a bacon cheeseburger, covered in batter and deep fried to artery-clogging perfection. Either way, it's clear that our modern diet is not always

发表于:2019-01-08 / 阅读(165) / 评论(0)

Scientific American(十一)月

机械专业英语词汇（很全）

金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源

发表于:2019-01-08 / 阅读(162) / 评论(0)

英文语法词汇

美国国家公共电台 NPR Children's Book Author Natalie Babbitt Dies At 84

Children's Book Author Natalie Babbitt Dies At 84 play pause stop mute unmute max volume 00:0002:24repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. ARI SH

发表于:2019-01-16 / 阅读(118) / 评论(0)

2016年NPR美国国家公共电台11月

60秒科学:Pharaohs Had Heart Disease

Darwin in Battle of Wits against Unarmed Man Antievolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments No

发表于:2019-01-30 / 阅读(220) / 评论(0)

60秒科学

SCIENCE REPORT - Red Wine and Heart Disease

SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to

发表于:2019-01-30 / 阅读(181) / 评论(0)

科技之光

英语词汇分类：冶金英语词汇

iron and steel industry 钢铁工业 ironworks 铁厂 foundry 铸造车间 steelworks, steel mill 钢厂 coking plant 炼焦厂 electrometallurgy 电冶金学 powder metallurgy 粉末冶金学 blast f

发表于:2019-02-11 / 阅读(199) / 评论(0)

英文语法词汇

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biology of reproduction

carburetor flange gasket

Casey at the Bat