砷钒铅矿

TED演讲：气味背后的科学(7)

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

发表于:2018-12-19 / 阅读(158) / 评论(0)

TED演讲教育篇

北师大初中英语九年级（全一册）--Unit 8-30-2

[00:00.00]Exercise 2.2 [00:10.82]Today, we will talk about choking. [00:13.67]In fact, choking is quite a common problem [00:17.08]in our daily life. [00:19.29]What's choking? [00:21.42]This is when someone has an object stuck in [00:24.98]his or her

发表于:2018-12-29 / 阅读(440) / 评论(0)

北师大版初中英语九年级（全一册）

贝多芬住我家楼上第5期:贝多芬先生发疯了

Symphony #5, Movement 2 piano Song 贝多芬第五交响乐第二乐章 I've been thinking, if Mr. Beethoven and his housekeeper did leave, surely we could find someone nice to live upstairs. 我一直在想如果贝多芬先生和他的女管家真的

发表于:2019-01-01 / 阅读(156) / 评论(0)

贝多芬住我家楼上

英语语法：178 How to Avoid Clichés

Grammar Girl here. Todays topic is taking care of clichs. Guest writer Sal Glynn writes, clichs can be a writers worst enemy, and the reader usually doesnt like clichs much either. Writers from Jonathan Swift to George Orwell have ranted against the

发表于:2019-01-02 / 阅读(344) / 评论(0)

英语语法 Grammar Girl

Satellite Navigation Systems

NB: This is not a word for word transcript Alice: Hello, I'm Alice. Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sat navs. Stephen: Sat navs thats short for satellite navigation systems. Alice: Theyre th

发表于:2019-01-07 / 阅读(197) / 评论(0)

六分钟英语

VOA标准英语2012--Free Press Eludes Burma Despite End of Censorship

Free Press Eludes Burma Despite End of Censorship This week, newspapers in Burma will hit newsstands without ministry censorship for the first time since 1962. For the staff at The Myanmar Times, a Rangoon-based weekly, this is the first editorial me

发表于:2019-01-13 / 阅读(142) / 评论(0)

VOA标准英语2012年(八月)

VOA标准英语2012--Philippines, China Seek Friendly Ties, Despite Tensions

Philippines, China Seek Friendly Ties, Despite Tensions Avoiding confrontation The Philippines recently pulled back its navy from the disputed Scarborough Shoals where it had been in a standoff with Chinese vessels. Instead, the civilian-run Coast Gu

发表于:2019-01-13 / 阅读(132) / 评论(0)

VOA标准英语2012年(六月)

VOA标准英语2010年-US Pediatricians Call for Action to Pr

Dr. Gary Smith heads the Center for Injury Research and Policy at Nationwide Children's Hospital in Columbus, Ohio. He and other pediatricians are calling for warning labels on foods that are a high-risk for choking for children. Every week, children

发表于:2019-01-13 / 阅读(143) / 评论(0)

VOA标准英语2010年(二月)

科学美国人60秒 SSS 放射可以帮助心脏恢复节奏

Radiation Might Help Heart Regain its Rhythm That beeping sound is the normal beating of a heart. But here's what the same heart sounds like, during a bout of ventricular tachycardia, or VT the racing beats are caused by an electrical short circuit i

发表于:2019-01-20 / 阅读(137) / 评论(0)

2018年科学美国人1月

闲谈英语-Favorite Music(1)

A: What type of music do you like to listen to? B: I like listening to different kinds of music. A: Like what, for instance? B: I enjoy Rock and RB. A: Why is that? B: I like the different instruments that they use. A: That's a good reason to like so

发表于:2019-01-20 / 阅读(207) / 评论(0)

英语闲谈

【小龟乐游记】冰封王座（42）

文本： Banshee：You seem troubled, mistress. Sylvanas：Arent you, sister? Only days ago we were the Lich Kings slaves. We existed only to _(1)_ in his name. And now we are free. Banshee：I dont understand, mistress. I thought youd be _(2)_. Syl

发表于:2019-01-23 / 阅读(163) / 评论(0)

小龟乐游记英语短文

访谈录 2014-02-17&02-19 克林特·伊斯特伍德成救人英雄

Weve all of course seen Clint Eastwood save lives on the silver screen often in the middle of shoot-ups, but when it came to a real life-and-death situation, there was no gun needed, and ABCs Lindsey Jennies to explain why. Hey, Lindsey. Good morning

发表于:2019-01-29 / 阅读(137) / 评论(0)

访谈录2014年

VOA慢速英语20061114b

SCIENCE IN THE NEWS - Learning the Basics of First Aid: What to Do Until Medical Help ArrivesBy Nancy Steinbach Broadcast: Tuesday, November 14, 2006 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Spec

发表于:2019-01-30 / 阅读(194) / 评论(0)

2006年慢速英语(十一)月

2007年VOA标准英语-Despite Warnings, No End to Land-Grabbing in Ca

By Rory Byrne Phnom Penh 03 July 2007 Soaring property prices have resulted in an explosion of land-grabbing in Cambodia, leaving tens of thousands of people destitute. A recent United Nations report accuses the Cambodian authorities of allowing a we

发表于:2019-01-31 / 阅读(152) / 评论(0)

2007年VOA标准英语（七月）

VOA常速英语2007年-UN Study Finds Nairobi Dumpsite Endangers Child

By Cathy Majtenyi Nairobi, Kenya 06 December 2007 Kenya's capital, Nairobi, is home to one of Africa's largest dumpsites. A recent United Nations study found that nearly half of the children surveyed who live near the dumpsite suffer from serious med

发表于:2019-02-07 / 阅读(222) / 评论(0)

VOA常速英语2007年（十二月）

Despite Concessions, Egyptians Protest

Anti-government protests in Egypt continued for a fifth day Wednesday in-and around the iconic Tahrir Square in Cairo, despite concessions announced by the head of the ruling military council designed to ease discontent. On Tuesday, Field Marshal Hus

发表于:2019-02-08 / 阅读(192) / 评论(0)

英语新闻

美国国家公共电台 NPR EZ Does It

EZ Does It OPHIRA EISENBERG, HOST: Now, it's time to crown our big winner. Let's bring back our final two contestants Jake and Ross. (APPLAUSE) EISENBERG: Puzzle guru Art Chung, take it away. ART CHUNG: Ross and Jake, your final round is called Easy

发表于:2019-02-13 / 阅读(161) / 评论(0)

2016年NPR美国国家公共电台8月

美国国家公共电台 NPR Celebrity Sayings

Celebrity Sayings OPHIRA EISENBERG, HOST: Ross, since you've been north of the Arctic Circle, you strike me as a bit of a daredevil. ROSS FREILICH: I guess you could go with that. EISENBERG: You think? FREILICH: Yeah. EISENBERG: Scott, are you a dare

发表于:2019-02-13 / 阅读(171) / 评论(0)

2016年NPR美国国家公共电台8月

美国国家公共电台 NPR Contents Under Pressure

Contents Under Pressure OPHIRA EISENBERG, HOST: Let's meet our next two contestants. First up, Ross Freilich. You work in mergers and acquisitions, and you just got back from a trip to an island north of the Arctic Circle. ROSS FREILICH: That's corre

发表于:2019-02-13 / 阅读(154) / 评论(0)

2016年NPR美国国家公共电台8月

VOA标准英语2009年-'Altruistic Donor' Donates Kidney at New Y

By Carolyn Weaver New York 10 October 2009 An estimated 62,000 people in the United States have severe kidney failure. To lead a normal life, each needs a new kidney, preferably one transplanted from a healthy living donor. Some are lucky enough to

发表于:2019-02-20 / 阅读(203) / 评论(0)

VOA标准英语2009年(十月)

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学英语单词

accounting system design

address space control block