单词:mitral valves
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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
From NPR News in Washington, I'm Carol Van Dam. President Obama accepted his Nobel Prize today, acknowledging the irony of a war president accepting a prize for peace. NPR's Mara Liasson reports. The president gave the kind of speech that no one on t
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
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
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
This is Scientific American's 60-second Science, I'm Steve Mirsky. Got a minute? Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pound
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
Matt Damon's Commencement address: Theres more at stake today than in any story ever told. Thank you. Thank you, President Reif and thank you, Class of 2016! Its an honor to be part of this day an honor to be here with you, with your friends, your pr
IN THE NEWS -March 30, 2002: Committee to Protect Journalists 2001 Report By Caty Weaver This is Steve Ember with the VOA Special English program, IN THE NEWS. Every year, the Committee to Protect Jou
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
USAID Administrator Rajiv Shah (r) and Richard Holbrooke, Special Representative for Afghanistan and Pakistan, testify on Capitol Hill in Washington, 28 Jul 2010 A vote by the House of Representatives on emergency funding for the war in Afghanistan h
U.S. Central Command chief Gen. David Petraeus is surrounded by staff after appearing to pass out while testifying before the Senate Armed Services Committee in Washington, 15 Jun 2010 The head of the U.S. Central Command, General David Petraeus, bri
UNRenewsCommitmentAgainstRacism U.N. Secretary General Ban Ki Moon said while much has been done to combat racism and xenophobia, much remains to be done. He spoke on the 10th anniversary of the Durban Declaration and Program of Action. The document
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
By Gilbert Da Costa Abuja 18 January 2006 Olusegun Obasanjo Nigerian President Olusegin Obasanjo said he had set up a committee to work towards the release of four foreign oil workers seized by milita
今天我们要学的词是commitment。 Commitment, 是承诺的意思。 The company has made strong commitments to using clean energy, 这家公司保证要使用清洁能源。国际核安全峰会星期一在美国首都华盛顿召开。 U.S. P
By Nancy-Amelia Collins Jakarta 14 February 2007 The World Health Organization has called for a renewed commitment from governments around the world to combat tropical diseases that affect a third of the world's population and cause social and econo
Laurel Bowman | Washington 08 April 2010 The United States resettles the largest number of refugees worldwide, allowing roughly 70,000 to enter the U.S. each year. Currently, large numbers of Bhutanese refugees, who lived for decades in camps in Nepa