串排复缸瓦斯发动机

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On its opening day, 90,000 tourists traipsed across the London Millennium Bridge. That pitter patter of pedestrian feet caused the structure to visibly r

发表于:2018-12-02 / 阅读(113) / 评论(0) 分类 Scientific American(十二)月

[00:04.57]Excitement fills the early morning air as you arrive at learn to recognize and name each part of the parachute. [00:19.17]You also learn what each part does. [00:22.05]The excitement builds as your teacher describes each stetp it of the jum

发表于:2018-12-03 / 阅读(140) / 评论(0) 分类 美国英语听力80篇

The following Monday on my way to meet Mrs. X, I make a quick stop at my favorite stationery store to stock up on Post-its. Today my Filofax only has two Post-its: a tiny pink one imploring me to BUY MORE POST-ITS and a green one reminding me that I

发表于:2018-12-06 / 阅读(83) / 评论(0) 分类 保姆日记

听广告学英语:Mitsubishi GDI Engine三菱汽车引擎 Mitsubishi GDI 三菱汽车引擎 原文 It's the GDI, the engine technology of tomorrow is already being driven today. Mitsubishi's GDI engine produces more power, reduces fuel consumption, and emits less carb

发表于:2018-12-07 / 阅读(175) / 评论(0) 分类 听广告学英语

The United States Agency for International Development, or USAID, announced a new project that will assist Vietnam's transition to climate-smart and low-emission development through improved forest protection, enhanced biodiversity conservation, and

发表于:2018-12-08 / 阅读(148) / 评论(0) 分类 VOA标准英语2017年(一月)

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

发表于:2018-12-19 / 阅读(148) / 评论(0) 分类 彭蒙惠英语

[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was

发表于:2018-12-26 / 阅读(121) / 评论(0) 分类 美国英语听力80篇

A little old lady goes to the doctor ... and says,

发表于:2019-01-02 / 阅读(158) / 评论(0) 分类 英文笑话

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 VOA2003(上)-国际时讯

Robot Security Could Help Cut Crime 机器人保安有助于降低犯罪率 Shopping centers, stadiums and universities may soon have a new tool to help fight crime. A California company called Knightscope says its robots can predict and prevent crim

发表于:2019-01-12 / 阅读(111) / 评论(0) 分类 2015年VOA慢速英语(六)月

By Deborah Block Washington 13 May 2008 As the price of gasoline continues to rise in the U.S., more Americans are buying smaller, more fuel-efficient vehicles. Others are holding on to their big cars, in hopes that gas prices will eventually go down

发表于:2019-01-13 / 阅读(149) / 评论(0) 分类 VOA标准英语2008年(五月)

Jobs confided in Sculley that he believed he would die young, 乔布斯向斯卡利坦言,他认为自己年轻的时候就会死去, and therefore he needed to accomplish things quickly so that he would make his mark on Silicon Valley history. 因

发表于:2019-01-22 / 阅读(84) / 评论(0) 分类 乔布斯传

SAN FRANCISCO, Nov. 21 (Xinhua) -- E-commerce and online payment giant eBay announced on Monday that it has acquired New York-based technology startup Hunch, an online platform that delivers customized recommendations to users based on their individu

发表于:2019-01-22 / 阅读(215) / 评论(0) 分类 英语新闻

Do you have gas? Beginners. What kind of a question is that? Are you talking about my body or my car? Well, actually, I am talking about your car. Gas, or petrol, as it is called in England, is a big subject at the moment. Driving a car has become re

发表于:2019-01-28 / 阅读(120) / 评论(0) 分类 英语博客 A cup of English

By Robert Berger Jerusalem 02 April 2008 Israel is strengthening security on its home front in a sign of war jitters. As Robert Berger reports from VOA's Jerusalem bureau, Israel is casting a wary eye toward Iran. Israel's security Cabinet has decide

发表于:2019-01-30 / 阅读(165) / 评论(0) 分类 VOA常速英语2008年(四月)

Kawhi Leonard has now scored 30+points in four consecutive games. The last Spurs player to accomplish this feat? Tim Duncan in 2003-04. 卡哇伊莱昂纳德已经连续四场得到30分+的数据。上一位能够达成这一华丽数据的球员是谁

发表于:2019-02-07 / 阅读(122) / 评论(0) 分类 英语新闻

听歌学英语:I'll never fall in love again I'll never fall in love again BY BOBBIE GENTRY What do you get When you fall in love A girl with a pin To burst your bubble That's what you get For all your trouble I'll never fall in love again What do y

发表于:2019-02-07 / 阅读(99) / 评论(0) 分类 听歌学英语

A Quora user asked: What are the best romantic relationship hacks? And then people shared their tried-and-true tips. Quora上一位网友提问:爱情中最棒的技巧有哪些?网友们纷纷根据自己的经历给出了答案。 1. Keep a sec

发表于:2019-02-09 / 阅读(248) / 评论(0) 分类 阅读空间

Sophida Siriwatananukul, 22, (nickname Nong Bai Mon), a student at the Rachapat University in Ayutthaya Province was crowned Miss Tiffany's Universe 2015, Thailand's largest transgender beauty pageant, in the beach resort city of Pattaya on Friday ev

发表于:2019-02-18 / 阅读(137) / 评论(0) 分类 阅读空间

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(370) / 评论(0) 分类 2019年NPR美国国家公共电台2月