单词:argon Z-pinch laser
单词:argon Z-pinch laser 相关文章
By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
pinch作为动词最普通的意思是用食指和拇指捏着,pennies是一分钱硬币,在美国钱币中价值最低,一百个pennies才值一美元,所以好多人对pennies不屑一顾,甚至都不愿在口袋里带上pennies当零钱花
EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
Words and Their Stories: Feel The Pinch 词汇典故:手头拮据 I'm Susan Clark with the Special English program WORDS AND THEIR STORIES. 这里是美国之音慢速英语词汇典故节目,我是苏珊克拉克。 In the nineteen thirties, a s
New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl
The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network
This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke
The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci
Agriculture Report - Really, It's OK to Pinch Mums 农业报道 - 如何种植菊花 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 People have been growing chrysanthemums for more than two thousa
EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one
我们今天要学的习惯用语都包括这样一个关键词汇: pinch。 Pinch这个词有很多不同的意思,而且既可以是动词也可以当名词。 今天要学的第一个习惯用语是: pinch pennies。 Pinch作为动词最普通的
BBC Learning English 6 Minute English Jargon Busters Yvonne: Hello, this is '6 minute English' - I'm Yvonne Archer William: And I'm William Kremer. Hello! Yvonne: Thanks for joining me, William! Now today, we're going to do a bit of glossing, play i
[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6
【俚语】 pinch pennies 精打细算 注意:Pinch作为动词最普通的意思是用食指和拇指捏着,pennies是一分钱硬币,在美国钱币中价值最低,一百个pennies才值一美元,所以好多人对 pennies不屑一顾,甚
penny-pincher cheapskate 有些人花钱很小心。花钱小心是很明智的,但是,要是一个人太过份了,把钱看作是生活中最重要的东西,那他和他周围的人就会产生
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
今天我们要学的词是pinch。 Pinch, 是紧缺,困难的意思。美国食品价格的上涨,对很多家庭的日常开支造成了影响。 Many families are feeling the pinch of food prices, 国际原油价格的攀升已经体现在了汽
我们今天要学的习惯用语都围绕一个中心词汇:penny。Penny是分币。在英美等国的 钱币中penny价值最低。如今你几乎想不出一个penny能买到什么东西,所以有人甚至 提议不必再铸造penny了,然而
今天我们要学的词是pinch。 Pinch, 是紧缺,困难的意思。美国食品价格的上涨,对很多家庭的日常开支造成了影响。 Many families are feeling the pinch of food prices, 国际原油价格的攀升已经体现在了汽
In a pinch的意思是“必要时、在紧要关头”,有人说它起源于淘金热(gold rush),也有人认为这种说法并不可靠。那它究竟起源于何处呢? 关于in a pinch起源