单词：composite primary explosive
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Lesson 88 Trapped in a mine 困在矿井里 First listen and then answer the question. 听录音，然后回答以下问题。 Why is the rescue taking so long? Six men have been trapped in a mine for
新概念英语第二册
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Airplane manufacturers have been changing over from aluminum to advanced composite materials. These lighter, stronger composites are made of fibers of
Scientific American(三)月
托德和詹安娜在讨论学校生活 Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do yo
英语口语练习册
Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do you think about high school? Jeanna: It's
英语访谈对话
HEALTH REPORT - Scientists Say Anger Disorder 'Much More Common' Than BelievedBy Brianna Blake Broadcast: Tue, 27 Jun 2006 16:00:00 UTC I'm Steve Ember with the VOA Special English Health Report. Road
2006年慢速英语（六）月
IN THE NEWS - Missing Explosives in Iraq By Cynthia Kirk Broadcast: Saturday, October 30, 2004 This is Steve Ember with In the News in VOA Special English. On Monday, the United Nations nuclear agency
教育与新闻
Indias High Court Temporarily Bans Firecrackers in New Delhi The air in the Indian capital, New Delhi, is among the most polluted of any city in the world. That is one reason Indias highest court has ordered a temporary ban on firecracker sales durin
2017年VOA慢速英语(十)月
RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B
CNN2010年(一)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
Scientific American(九)月
[00:01.56]Gunpowder [00:03.47]Gunpowder was invented by the Chinese [00:05.73]in the eighth century AD. [00:08.28]Early Chinese scientists discovered [00:10.64]that they could make an explosive substance [00:12.76]by mixing sulphur,charcoal and saltp
北师大版高中英语模块7(选修)
Independence Day 词汇典故:独立日 Hello and welcome to the VOA Learning English program Words and Their Stories. Independence Day is a huge celebration in the United States. People celebrate by having parades and picnics and usually end the day
2015年VOA慢速英语(七)月
The world this week 一周要闻 Business 商业 The prospect of an all-out trade war between America and China became real. 美国和中国之间爆发全面贸易战的可能性变成了现实。 Donald Trump said he would impose tariffs on $50bn o
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Kerry Expected to Win Wisconsin Primary Greg Flakus Voters are going to the polls in the Midwestern state of Wisconsin in a primary contest that could represent the end of at least one candidacy for t
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萨拉热窝市中心爆炸，无一人伤亡 SARAJEVO, Feb. 10 (Xinhua) -- A huge explosion was heard in central Sarajevo Monday night, and police said there were no injuries. A local police press officer told Xinhua the explosion occurred at the en
英语新闻
BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year
英语新闻
Chinese shares posted their biggest one-day fall in a month yesterday, with indices closing more than 6 per cent lower after a late sell-off. 中国股市昨天出现一个月来最大单日跌幅，在尾盘抛售之后，沪深股指收跌逾6%。
英语新闻
CANBERRA, Feb. 18 (Xinhua) -- Australian Labor Party's primary vote stands at just 30 percent, down 5 points since December, the latest Herald/Nielsen poll published in Fairfax newspapers showed on Monday. This is the first time that Tony Abbott is t
英语新闻
Chinese stocks carved out their biggest gain in two months amid speculation that A-shares could be included in MSCIs global benchmarks. 由于市场猜测A股可能会被纳入MSCI明晟的全球基准，中国股市今日出现两个月来最大幅度
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