单词：girder with rolled steel section encased in concrete
单词：girder with rolled steel section encased in concrete 相关文章
Researchers: Recycled Concrete's Time Has Come SOUTH BEND, INDIANA Recycling in the construction industry has become big business. It's easy to find new life for everything from old windows to wood beams. But until now, concrete the most widely used
VOA标准英语2016年(八月)
Best of Megastructures 伟大工程巡礼之最 by Kevin Lustig In the last 100 years, 11 different skyscrapers have held the title of world's tallest building. With improvements in technology and materials, humans are pushing the limits of what buil
常春藤解析英语
Concrete is one of the most widely used materials on the planet. And this consumption comes with a heavy ecological price. Rouzbeh Shahsavari, a materials scientist at Rice University. Around 5 to 10 percent of total CO2 emissions comes from concrete
2017年Scientific American(一)月
ballast, ['bləst] n 压舱物（放在船舱或热气球吊篮里的重物，以增加稳定性）；（性格上的）稳定因素 【记】ball球，last最后－最后的球－船最底层放了好多球－压舱物 【类】ballast:instability＝
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7 其他要求 3句英文任你选 Could I have a corkscrew? 可以给我一个开瓶器吗? Could I have another napkin? 可以再给我一份餐巾纸吗? Would you please wrap that unfinished chicken? 你能帮我把剩下的鸡肉打包吗? 半个句
商务英语口语每天三句半
Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h
英语语法 Grammar Girl
67 专家就防御恐怖袭击摩天大厦展开研究 SCIENCE REPORT- September 27, 2001: Planning for Safer BuildingsBy Nancy Steinbach (start at 1'00
政治经济
By Caty Weaver Broadcast: November 21, 2003 This is Bob Doughty with the VOA Special English Economics Report. Last week, the World Trade Organization ruled that United States taxes on imports of stee
VOA2003（下）-农业与经济
Johnny-Cake 玉米饼 Once a little old woman and a little old man and a little boy lived in a little old house. 从前，一个小老太太、一个小老头和一个小男孩住在一座破旧的小房子里。 One day the little old woman made a r
美国小学英语教材1
Volunteers Help Revive LA's Concrete River Thousands of volunteers turned out on a recent weekend to remove the trash that has been deposited by winter rain storms. The Los Angeles River was lined with concrete in the late 1930s and 1940s, after year
VOA标准英语2013年(五月)
今天我们要学的词是concrete。 Concrete具体的，实质性的。美中战略与经济对话星期二结束。美联社报道说，The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两
英语单词荟萃
DEVELOPMENT REPORT - Long-Life Concrete Bridges By Jill Moss Broadcast: Monday, June 07, 2004 This is Robert Cohen with the VOA Special English Development Report. Each year, road accidents kill a mil
农业与发展
今天我们要学的词是concrete。 Concrete具体的，实质性的。美中战略与经济对话星期二结束。美联社报道说，The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两
英语每日一词
STEVE INSKEEP, HOST: President Trump's push for tariffs on steel and aluminum imports is driven in part by competition from China. The United States still produces most of its own steel, we should be clear. But the industry has faced pressure from ch
2018年NPR美国国家公共电台3月
The bar owner was upset. His best customer was in the hospital. He had a head injury. What happened? the owners wife asked. He said, He drank too much. When he went outside, he fell down. His head hit the sidewalk. Now he's in the hospital. This isn'
英文短篇故事（纽约）
BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year
英语新闻
to go haywire 火冒三丈,非常生气 美国的农民一般都是用一根细的铁丝把乾草一捆捆地捆起来。这种捆乾草的铁丝在英文里叫做：haywire。每当一个农民要喂牲口的时候，他就用斧头把铁丝砍断。可
美国俚语
每一个孩子都是可爱的小天使，但不是每一个天使都能够幸福地飞翔。寂静的墓地里，小小的石碑上，冰冷的石头塑成一副没有表情的石像。那是被剥夺生命权利的小小精灵，永远地长眠于地
美国乡村音乐
我们经常把非常快乐或值得庆贺的日子称为red-letter day，日历上也把节日用红色标示。但是你知道这样的习俗是什么时候开始形成的吗？ red-letter day是一个有着非常悠久历史的短语，其最初的应
英语口语