[网络] 水冷式内燃机

7-12 美国航空航天局成功试飞超高音速喷气机

NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re

发表于:2018-12-05 / 阅读(98) / 评论(0)

英语沙龙2004全年合辑下

美国动力公司研发提升五成油效对置活塞二冲程发动机

美国动力公司研发提升五成油效对置活塞二冲程发动机 This little engine looks like it has only three pistons, but in fact, it has six, sharing only three cylinders. 这台小身材引擎看起来只有3个活塞,但事实上却有

发表于:2018-12-16 / 阅读(113) / 评论(0)

VOA标准英语2016年(三月)

英国学生科学读本第88期:冷凝(3)

When we change a liquid into vapour, and cool this vapour till it is liquid again, 将水加热成水蒸气, 然后对其进行冷却直至再次液化, we are said to distil the liquid, and the apparatus for doing this is called a still. 这个过程就

发表于:2018-12-18 / 阅读(81) / 评论(0)

英国学生科学读本

超级简单英语阅读:A Clean Car

He had a beautiful car. It was a Cadillac. It was a 1993 Cadillac. It was a four-door Cadillac. It was light brown. It had a big engine. The big engine didnt leak oil. The big engine didnt leak water. He drove his car only five miles a day. He took g

发表于:2018-12-18 / 阅读(98) / 评论(0)

超级简单英语阅读

托福听力短文 II-10-2

(MA-AT) Since we've been discussing alternative fuels lately, I wanted to pass on to you some information I read about a new fuel that's been in the news a lot lately. It's called A-21. It's composed of water and a chemical known as naphtha. It seem

发表于:2018-12-30 / 阅读(93) / 评论(0)

托福听力短文

英语听力文摘 English Digest 587、气泵上的辛烷值是什么意思？

What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio

发表于:2018-12-31 / 阅读(101) / 评论(0)

英语听力文摘 English Digest

365个英语简短小故事-138. Body in a Barrel (1)

George Gobel thinks that he might have helped dump his own sisters body. George told police that recently his brother-in-law Russell had asked him to help move a big metal barrel out of his house. Ill buy you a case of Bud, Russell promised. The barr

发表于:2018-12-31 / 阅读(91) / 评论(0)

365个英语简短小故事

SSS 2010-07-06

Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t

发表于:2019-01-08 / 阅读(111) / 评论(0)

Scientific American(七)月

NPR 2011-05-12

The burgeoning Mississippi River is forcing residents in the poverty-stricken delta to run for higher ground. Teresa Welsh, a mother of three, says she's trying to keep it together. Knowing full well, her home will go underwater before the river cres

发表于:2019-01-08 / 阅读(108) / 评论(0)

2011年NPR美国国家公共电台5月

与美国小学生一起学英文第8册第6期:岩浆

Magmas 岩浆 Have you heard about liquid rock? 你听说过液态岩石吗？ It might sound funny to you. 这听起来可能很好笑。 How can a rock be liquid? While it can be. 岩石怎么可能是液体呢？但有时它还真是。 If the tem

发表于:2019-01-10 / 阅读(106) / 评论(0)

与美国小学生一起学英文第8册

新型内燃机效率提高50%

This Internal Combustion Engine is 50% More Efficient 新型内燃机效率提高50% Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile

发表于:2019-01-14 / 阅读(136) / 评论(0)

VOA标准英语2016年(三月)

美国国家公共电台 NPR 'Engine Block Burritos' — And Other Road Trip Tips From Touring Musicians

'Engine Block Burritos' And Other Road Trip Tips From Touring Musicians AILSA CHANG, HOST: Road trips mean different things to different people. Maybe you're counting yellow cars or listening to all the Harry Potters. Personally, I always end up fall

发表于:2019-01-17 / 阅读(116) / 评论(0)

2016年NPR美国国家公共电台8月

TED演讲 :飞向海洋(4)

And then by moving through the water it's able to take that control. 通过在水中的运动，它能够控制自如。 Now, look at that; look, it's she just blew me away. 现在，看，看她刚刚把我刮走了。 She just rolled right away fro

发表于:2019-01-18 / 阅读(105) / 评论(0)

TED演讲娱乐篇

托福阅读:阅读中后置定语的分类

托福阅读:阅读中后置定语的分类归纳：后置定语，顾名思义分为后置和定语两个部分。后置也就是此种短语出现的位置是在名词之后，定语就是起到起到修饰限定作用的短语，注意是短语而不

发表于:2019-01-18 / 阅读(88) / 评论(0)

托福英语

【跟着美剧练发音】吸血鬼日记6

文本：【Elena】You seem so sure. 【Lexi】The love of my life was human. He went through what I imagine you're going through -- denial, anger, et cetera. But at the end of the day, love really did conquer all. Are you gonna drink that? 【E】

发表于:2019-01-23 / 阅读(88) / 评论(0)

跟着美剧练发音

【英语1级听力】一辆干净的汽车-A Clean Car

He had a beautiful car. It was a Cadillac. It was a 1993 Cadillac. It was a four-door Cadillac. It was light brown. It had a big engine. The big engine didn't leak oil. The big engine didn't leak water. He drove his car only five miles a day. He took

发表于:2019-01-24 / 阅读(92) / 评论(0)

英语第1级听力-English Level 1

天籁音乐:Cindy, I'll Marry You Someday

Bob Schneider在德国出生于一个歌剧家庭，很小就开始学乐器。他的solo生涯展开之前，曾在许多乐队中进行表演。这首Fairytale Of NewYork虽然是圣诞专辑中的歌曲，但是相当安静舒缓，很是何人一个

发表于:2019-02-11 / 阅读(87) / 评论(0)

天籁音乐

H1N1的预防英语对话

H1N1的预防英语对话 H1N1是一种病毒，是Orthomyxoviridae系列的一种病毒。它的宿主是鸟类和一些哺乳动物。几乎所有甲型的H1N1病毒已被隔离，野生鸟类出现疾病属罕见。有些H1N1病毒引起严重的疾

发表于:2019-02-13 / 阅读(124) / 评论(0)

实用英语

托福阅读中的五大类后置定语

后置定语，顾名思义分为后置和定语两个部分。后置也就是此种短语出现的位置是在名词之后，定语就是起到起到修饰限定作用的短语，注意是短语而不是句子，本质上相当于形容词。所以后

发表于:2019-02-21 / 阅读(107) / 评论(0)

托福英语

美国国家公共电台 NPR As More Electric Cars Arrive, What's The Future For Gas-Powered Engines?

SCOTT SIMON, HOST: The Democrats' proposed Green New Deal calls for America to eliminate greenhouse gas emissions from U.S. transportation, an ambitious goal that would require - among many other things - phasing out cars that run on gasoline. That m

发表于:2019-03-17 / 阅读(366) / 评论(0)

2019年NPR美国国家公共电台2月

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