单词：Eustachian valves
单词：Eustachian valves 相关文章
So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n
访谈录2009
REVIEW THREE For this lesson,you'll need a pencil and a piece of paper. Listen to this lecture about the history of the computer. Don't write anything yet.Just listen The inventor of the modern computer was an English mathematician,Charles Babbage. H
洪恩环境英语
On airplanes, cabin pressure changes during takeoff and landing to help passengers breathe easy at high altitudes. These changes in air pressure may make adults ears feel a little funny, prompting a few yawns to equalize the pressure. But for babies,
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And all of the heavy hearts 所有沉重的心 Are broke in their backs 都悄悄地不为人知地伤痕累累 And all of the die-hard valentines 所有顽固的情人 Are calling me back 都在挽回我 You can find me in the restaurant 你会发现我
听歌学英语
BP is close to putting a new cap on the damaged well that's been spewing millions of gallons of oil into the Gulf since April's rig explosion. NPR's Richard Harris tells us the new cap has valves that might be able to stop the flow. The new cap could
2010年NPR美国国家公共电台7月
By Al Pessin Pentagon 11 September 2007 The reports by the top U.S. military officer in Iraq and the U.S. ambassador provided fuel to both supporters of the current policy and its opponents. VOA Pentagon Correspondent Al Pessin spoke to some of them
2007年VOA标准英语（九月）
By Al Pessin Pentagon 06 December 2007 The top coalition commander in Iraq had some positive things to say Thursday about Syria and other countries and factions that have contributed to instability in Iraq in the past. But U.S. General David Petraeus
VOA常速英语2007年（十二月）
Russia and Ukraine have resumed the flow of natural gas to Europe, ending a mid-winter standoff that left millions of consumers on the continent without heat or power during 13 days of bitter cold. An official at a metering station owned by Russia's
VOA标准英语2009年(一月)
By Al Pessin Washington 10 September 2007 The American commander in Iraq says the U.S. troop presence there will be reduced by about 2,000 this month, and another 3,500 by the end of the year. But General David Petraeus said he needs most of the 168,
2007年VOA标准英语（九月）
Chapter 13 End of Summer 第十三章 夏天的尾声 A trumpet has three little valves. They are for the fingers of the player. 一把小号有三个小活瓣。它们是让吹奏者用手指来按的。它们看起来就像这样： By pushing them
吹小号的天鹅
By Meredith Buel Washington 11 April 2008 The top U.S. commander in Iraq, General David Petraeus, has condemned the assassination of a senior aide to radical Shi'ite cleric Moqtada al-Sadr in the Iraqi holy city of Najaf. VOA correspondent Meredith B
VOA常速英语2008年（四月）
By Dan Robinson Washington 10 April 2008 Lawmakers have pressed the top U.S. military commander in Iraq, General David Petraeus, and U.S. Ambassador Ryan Crocker, about the duration of the U.S. military presence in Iraq, and political progress by the
VOA常速英语2008年（四月）
By Al Pessin Washington 09 April 2008 In a second consecutive day of testimony at the U.S. Congress, the top American commander in Iraq and the U.S. ambassador reported progress on key security and political issues, but warned that the progress is fr
VOA常速英语2008年（四月）
By Al Pessin Washington 08 April 2008 The top U.S. military commander in Iraq and the U.S. ambassador told Congress Tuesday that progress in Iraq is fragile and reversible, and called for continuing U.S. commitment, including an open-ended pause in U
VOA常速英语2008年（四月）
By Al Pessin Pentagon 10 April 2008 In congressional testimony this week, the top U.S. military and civilian officials in Iraq reported what they called real but fragile progress, and urged caution in any discussion of further U.S. troop withdrawals,
VOA常速英语2008年（四月）
The coalition commander in Iraq, General David Petraeus, has left his post after a momentous year and a half, during which he is widely credited with turning around the fight against a variety of insurgent groups. He will now become the overall comm
VOA标准英语2008年（九月）
WASHINGTON, Aug. 15 (Xinhua) -- Capturing or killing al-Qaida mastermind Osama bin Laden（奥萨马本拉登） is still a priority for the United States, David Petraeus, the general who commands all U.S. forces in Afghanistan, was quoted as saying
英语新闻
Most of us are familiar with this phenomenon of travel: ear-popping usually happens during takeoffs and landings. 大多数坐过飞机的人都熟悉这样的现象：飞机起飞或落地时我们的耳朵会有胀胀的感觉。 Our ears pop becau
英语新闻
When traveling by plane what makes our ears pop, and what is it exactly that pops? Most of us are familiar with this phenomenon of travel: it usually happens on takeoffs and landings. Our ears pop because of the change in air pressure as the plane as
英语听力文摘 English Digest