[化] 波纹管

corrugated pipe的用法和样例：

例句

Ensure the fittings of Ripple Pipe and water pipe have be screwed down.确认波纹管和水管的接头是否拧紧。
The degree of obliqueness of the corrugated tube surface profile has some influences on the velocity distribution and pressure field.波纹管的表面型线倾斜度影响着波纹管绕流的流场和其表面压力的分布。

NPR 2009-01-25

President Obama says his administration's 825-billion-dollar economic recovery plan is aimed to doing far more than pulling the nation out of recession and creating jobs. This is not just a short-term program to boost employment. It's one that will

发表于:2018-12-02 / 阅读(128) / 评论(0)

2009年NPR美国国家公共电台1月

Unit 11 Acceptance

Unit 11 Acceptance 接受 Basic Expressions 1. Our price is quite reasonable and other buyers in your market have accepted it. 我们的价格很合理，已经为你们市场的其他买主所接受了。 2. Please accept our offer and confirm the a

发表于:2018-12-03 / 阅读(398) / 评论(0)

外贸实务口语

First Palestinian Olympic Swimmer Set to Compete

By David Schickert Raad Aweisat is planning to travel to Athens, Greece, this August and become the first-ever Palestinian swimmer to represent his people at the Olympics. Though he lives in a war-tor

发表于:2018-12-08 / 阅读(89) / 评论(0)

VOA2004（下）--雅典奥运

【有声英语文学名著】英国病人 74

We were a small clutch of a nation between the wars, mapping and re-exploring. We gathered at Dakhla and Kufra as if they were bars or cafes. An oasis society, We knew each others intimacies, each others skills and weaknesses. We forgave Bagnold ever

发表于:2018-12-18 / 阅读(75) / 评论(0)

有声英语文学名著

CNN 2010-02-19

And nearly half a million homeless people are still living in those makeshift settlements in Haiti today. Only a tinny tiny percentage have made it to organize tent cities. The rest are making do with whatever building materials they can find hidden

发表于:2018-12-20 / 阅读(114) / 评论(0)

CNN2010年(二)月

公众人物毕业演讲第25期:比尔盖茨夫妇于斯坦福大学(6)

But the next day I went to Soweto, 第二天我去了索韦托 the poor town just southwest of Johannesburg, 约翰内斯堡西南面一个很贫穷的城镇 that had been the center of the antiapartheid movement. 曾经反种族隔离运动的中心

发表于:2018-12-30 / 阅读(71) / 评论(0)

公众人物毕业演讲

英语诗歌:Churning Day

Seamus Heaney A thick crust, coarse-grained as limestone rough-cast, hardened gradually on top of the four crocks that stood, large pottery bombs, in the small pantry. After the hot brewery of gland, cud and udder, cool porous earthenware fermented

发表于:2019-01-02 / 阅读(144) / 评论(0)

英语诗歌

DEVELOPMENT REPORT – How to Make a Solar Water Heater

DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o

发表于:2019-01-02 / 阅读(168) / 评论(0)

农业与发展

悬崖边的疯狂：骇人的新潮流

A face peers over the edge several hundred feet above me. It is a grown man gripped by a morbid elation as he looks down on a sheer drop to the rocks, the beach where I am standing and the sea. 一个成年男子站在几百英尺高的悬崖边缘往下

发表于:2019-01-11 / 阅读(100) / 评论(0)

阅读空间

企业家用3D技术打印房屋

企业家用3D技术打印房屋 Housing shortages affect both developed and developing countries, so entrepreneurs are trying to find new ways to solve the problem. 3-D printers are rapidly entering all levels of industry, including construction. 3D打

发表于:2019-01-14 / 阅读(81) / 评论(0)

VOA标准英语2015年(八月)

英语俚语精解:白日梦 Pipe dream

白日梦 Pipe dream 知不知道烟斗怎么说？很简单，仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然，谈起pipe（烟斗），免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pip

发表于:2019-01-17 / 阅读(127) / 评论(0)

英语口语

留美老师带你每日说英文第192期:我们的心灵之窗

台湾籍旅美老师今天交给我们的句子是： It's like we want to imagine that our minds are just these perfectly translucent windows and we just gaze out of them and describe the world as it unfolds. 那就象是想象我们的心灵之窗完

发表于:2019-01-20 / 阅读(85) / 评论(0)

留美老师带你每日说英文

英语听力：自然百科海啸揭秘（二）

So our Thai colleagues began soon after the 2004 tsunami with a survey to map out the areas that had been covered by the tsunami. It must have been a horrible job for them because they're going into an area of such disaster and the so much loss of li

发表于:2019-01-22 / 阅读(114) / 评论(0)

自然百科2010年

【荆棘鸟】第三章 19

和令人生厌的灰蒙蒙的灌木丛隔断了这一望无际的景色。菲那双淡漠的眼睛眺望着这一派景象，脸上的表情没有任何变化，但可怜的麦吉却泪水盈眶了。这是一片可怖的、毫无遮挡而又广漠无

发表于:2019-01-29 / 阅读(79) / 评论(0)

荆棘鸟

Pipe dream: 白日梦

Pipe dream: 白日梦知不知道烟斗怎么说？很简单，仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然，谈起pipe（烟斗），免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pi

发表于:2019-02-03 / 阅读(126) / 评论(0)

英语口语

VOA标准英语2010年-Haitian Company Struggles to Rebuild i

Businesses in Haiti are struggling to recover from the devastating earthquake January 12. Many workers have lost their jobs, and employers are trying to get their businesses up and running. Mike O'Sullivan visited one large Haitian company, Acra Indu

发表于:2019-02-04 / 阅读(92) / 评论(0)

VOA标准英语2010年(二月)

包装英语词汇

发表于:2019-02-05 / 阅读(111) / 评论(0)

英文语法词汇

英闻天下——105 2012 Review: Counterterrorism in Africa

Africa, which has long been mired in poverty and hunger, is now beginning to deal with more problems connected to terrorism. As such, today's key words are Counterterrorism in Africa. CRI's Zhou Jingnan has more. This is the building of the Catholic

发表于:2019-02-14 / 阅读(81) / 评论(0)

英闻天下

萌宠也要上网！为喵星人设计的笔记本电脑

If theres one thing cats like more than catnip, its sprawling across a laptop while youre trying to work. The only solution to the problem is to either trade-up to a dog, or buy your cat a laptop of its own made from scratch-ready cardboard. 要说有什

发表于:2019-02-18 / 阅读(78) / 评论(0)

阅读空间

生活大爆炸第一季第二集_3The Big Bran Hypothesis

生活大爆炸第一季第二集_3The Big Bran Hypothesis -Penny：Hey, Raj. 嗨，Raj。 Hey, listen. 嘿，听着。 I don't know if you heard about what happened last night with Leonard and Sheldon, 我不知道你是否听说了，昨晚 Leonard和

发表于:2019-03-16 / 阅读(348) / 评论(0)

生活大爆炸第一季

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

absolute signal delay

assembler language programming