三乙基硼; 三乙基硼烷

Summer Travel Tips

Summer Travel Tips First, the best beach - Maui . Even the name is 1) soothing. Maui is Hawaii's hottest island. Traditionally, one of the most popular places to go. Whether you're a beach nut or ya l

发表于:2018-11-28 / 阅读(386) / 评论(0)

疯狂英语2003年

冀教版高中英语必修二--Unit Six PLANNING A TRI

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得 10 到 30 积分的奖励 ! Thank you ！

发表于:2018-12-04 / 阅读(364) / 评论(0)

冀教版高中英语必修二

"The Truman Doctrine"

Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of

发表于:2018-12-04 / 阅读(596) / 评论(0)

名人演讲

VOA慢速英语2014 科学家们寻找新的方法来对付蚊子

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(335) / 评论(0)

2014年VOA慢速英语(五)月

TED演讲：气味背后的科学(6)

So I went searching when I started in this game to convince myself that there was any degree of plausibility to this whole crazy story. 在这个游戏的最初，我就开始寻找说服我自己，这个理论有一定的合理性，这整个故事有

发表于:2018-12-19 / 阅读(206) / 评论(0)

TED演讲教育篇

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(283) / 评论(0)

TED演讲教育篇

VOA双语新闻：3、美科学家研发新一代驱蚊剂

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(261) / 评论(0)

VOA双语新闻 2014年1月

2010年ESL之餐饮娱乐 02 Ending a Restaurant Meal

02 Ending a Restaurant Meal GLOSSARY to clear the plates to take dirty plates away from the table after people havefinished eating * Once youve finished eating, Ill clear the plates so that you two can talk at thetable more comfortably. out of (ones)

发表于:2018-12-26 / 阅读(266) / 评论(0)

2010年ESL之餐饮娱乐

VOA常速英语2014--Promising Mosquito Repellent Announced 美科学家研发新一代驱蚊剂

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(284) / 评论(0)

VOA标准英语2014年(一月)

白领英语晨读-011 To Attract Police　吸引警察

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(238) / 评论(0)

白领英语晨读

绿箭侠第一季第127期:沃尔特失踪之后(2)

I've seen the movie before. 这部电影我看过了 Cut me some slack. 别这样 I've been gone for a while 我不在那么长时间 and apparently I missed the cinematic genius that is Zac Galifinak...is? 很明显我错过了这部天才之作，主

发表于:2019-01-29 / 阅读(227) / 评论(0)

绿箭侠第一季

New Yorkers Take Transit Woes in Stride

New Yorkers Take Transit Woes in Stride NEW YORK Life regained some semblance of normalcy on Thursday for New Yorkers affected by superstorm Sandy, as public transportation started to come online and millions of people returned to work. But for those

发表于:2019-01-31 / 阅读(308) / 评论(0)

英语新闻

Austrian 2012 Olympic team takes shape

VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p

发表于:2019-02-02 / 阅读(367) / 评论(0)

英语新闻

新婚安妮斯顿成阿航代言人

Newlywed Jennifer Aniston has another reason to celebrate. The actress, 46, has signed a $5 million deal to appear in adverts for Emirates Airlines, reports The New York Post. 新婚的珍妮弗安妮斯顿又有好事要庆祝啦！据《纽约邮报》

发表于:2019-02-04 / 阅读(238) / 评论(0)

阅读空间

ESL Podcast 559 – Ending a Restaurant Meal

Server: Can I clear these plates and get them out of your way ? Alvin: Sure, were all done. Can I get the rest of that in a doggie bag ? Server: No problem. Ill wrap it up for you. Is there anything else I can get you? Did you leave room for dessert

发表于:2019-02-07 / 阅读(226) / 评论(0)

地道美语播客

美联社新闻一分钟 AP NEWS 2008-01-03

1.Maryland police say shots were fired and an inmate is dead after escaping from a hospital, taking a guard's gun then shooting a driver in the head before driving off. Police say the driver was not seriously injured by Kelvin Poke. 2.A team from Sc

发表于:2019-02-11 / 阅读(293) / 评论(0)

美联社新闻一分钟2008年(一)月

万物简史第227期:把铅撵出去(16)

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上，公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(278) / 评论(0)

万物简史

万物简史第225期:把铅撵出去(14)

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(279) / 评论(0)

万物简史

万物简史第213期:把铅撵出去(2)

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(301) / 评论(0)

万物简史

TED演讲获奖青少年,科技在行动(1)

If you were going to a restaurant and wanted a healthier option, 如果你去饭店，你想吃得健康一点， which would you choose, grilled or fried chicken? 你会选择哪种食品呢，烤鸡还是炸鸡？ Now most people would answer grill

发表于:2019-02-21 / 阅读(309) / 评论(0)

TED演讲教育篇

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A minor

Abbasabad

abstinence rings

additional emergency bilge suction pipe