单词：pentodes
n. 【无线】五极管
[网络] 五极真空管；五级真空管
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In 1948, the Drexel Institute of Technology in America got a call from a local storeowner asking for help. He wanted the school to invent a machine that would help keep track of inventory as well as speed up the checkout process. Drexel asked two of
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What do you do if you dont have office space for all your employees or many of them usually spend most of their time traveling or working offsite? In the 90s, some clever manager came up with a solution hot desking and the rest is history. Hot deskin
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UNIT 5 What color is it? [00:05.69]Section A Activity 1b. [00:11.55]Listen to the conversations [00:15.78]and then match the letters with their colors. [00:20.92]Conversation 1 [00:24.48]A:What's this,Wendy? [00:27.82]B:It's a letter W. [00:31.58]A:W
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June the 1st is Pen Pal Day. Im sure most of us have had a pen pal at one time in our lives. Many of us still have one. Today is the day to say thank you to your pen pals. It is also the day to thank your key pals too. Nowadays, most people communica
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This is Whats Trending Today. Summer does not officially begin in the United States and other countries in Earths Northern Hemisphere for more than a week. Yet you have probably heard the song of the summer of 2017. That is Luis Fonsis Despacito. Fon
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Le temps des fleurs 花样年华 演唱者：Dalida 首Le temps des fleurs直接说起来就是花季，译得再正点一点有人译花样年华的。当然，似乎还有更广泛的一种译法叫逝去的美好时光，这个名字感很觉好吧，
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Sonja Pace Israeli troops are continuing their controversial military operation in Rafah, in the southern Gaza Strip, despite both international condemnation and domestic criticism. The Gaza operation
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Sorry,there is no 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 ！
英国原版Beep嘟嘟剑桥少儿英语
By Nick Wadhams Molo, Kenya 14 January 2008 Kenyan officials estimate that at least 250,000 Kenyans have fled their homes as a result of violence that broke out across the country after a presidential election last month that was seen as seriously fl
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Syrian Protests Ripple Across Nation Despite Crackdown Tens of thousands of Syrians continued to protest against their government Friday, in spite of a growing crackdown and the deaths of dozens of people during the past week. Reports from Syria say
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Voice 1 Thank you for joining us for todays Spotlight. Im Rebekah Schipper. Voice 2 And Im Liz Waid. Voice 1 The Sahara desert. It is the worlds largest desert. It covers a third of the African continent--an area about the size of the United States.
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图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10
粉红猪小妹第二季
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Let's chant Let's sing
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Let's chant Let's sing
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BERLIN, Jan. 19 (Xinhua) -- Mario Mandzukic's brace ensured Bayern Munich's 2-0 win over Greuther Fuerth, Leverkusen defeated Frankfurt 3-1 and defending champion Dortmund crushed Bremen 5-0 at the 18th round of Bundesliga on Saturday. Bayern Munich
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If you rescue me I'll be your friend forever Let me in your bed I'll keep you warm in winter All the kiddies are playing And they're having such fun I wish it could happen to me But if you rescue me I'll never have to be alone again Oh the cars drive
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By Akiko Fujita Nagasaki, Japan 08 October 2009 Brick-colored Urakami Cathedral (center), with twin towers, stands 08 Aug 2005 in area of hypocenter of atomic bombing in Nagasaki Students at Japan's University of Nagasaki are attempting to recreate
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加拿大超人气流行RB歌手Shawn Desman小清新二单《Dum Da Dum》 加拿大超人气流行RB歌手Shawn Desman今年第二支单曲MV首播！作为新一代人气歌手，并且还曾赢得2011 MMVA最重要年度MV奖项，Shawn Desman依旧
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