单词：Toepler schlieren apparatus
单词：Toepler schlieren apparatus 相关文章
It's easy to appreciate the power of the sun 在这样炎热的夏日，站在德州湾海边 on a nice hot summer's day like here on the Texas Gulf Coast. 不难体会太阳的威力 And you can feel the power of the sun on your skin, 皮肤能清楚感
2006年慢速英语（五）月
It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
Scientific American(十一)月
[00:04.22]Ill tell her. 我会和她说的 [00:07.30]When I see them all running like that 每次我看他们这样穿着短裤跑步 [00:11.66]I always picture them naked even if I dont want to. 一幅全裸的画面浮现在我脑子里 [00:12.26]w
听电影学英语-朱诺
Grammar Girl here. Today's topic is how a verb and an adverb messed up the inauguration. I took a break from work Tuesday to watch Barack Obama's inauguration, and like millions of other people, I saw a bit of confusion between Chief Justice John Rob
英语语法 Grammar Girl
ECONOMICS REPORT - When Newspapers Lie (About How Many People Read Them) By Mario Ritter Broadcast: Friday, November 05, 2004 This is Gwen Outen with the VOA Special English Economics Report. The big
健康与经济
洪都拉斯新总统宣誓就职 TEGUCIGALPA, Jan. 27 (Xinhua) -- Juan Orlando Hernandez, of Honduras' conservative National Party (PN), was sworn in Monday as the country's president amid tight security at a ceremony in the capital Tegucigalpa. At
英语新闻
Robot Security Could Help Cut Crime 机器人保安有助于降低犯罪率 Shopping centers, stadiums and universities may soon have a new tool to help fight crime. A California company called Knightscope says its robots can predict and prevent crim
2015年VOA慢速英语(六)月
By Larry London Washington, D.C. 16 February 2007 watch RJA report Their name means nothing at all, but is instantly memorable. Their sound mixes heavy metal guitar with danceable beats of pop punk, and is instantly recognizable. Florida rockers Red
2007年VOA标准英语（二月）
A series of highly publicized incidents involving Muslim women have reinforced popular perceptions that an intolerant, sexist brand of Islam is taking root in France - home to Europe's largest Muslim community. From Paris, Lisa Bryant reports for VO
VOA标准英语2008年（七月）
HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: For some perspective on the immigration raids, I'm joined from Miami by USA Today immigration reporter Alan Gomez. The immigration community calls them raids. ICE wants to call them planned enforcements.
PBS访谈社会系列
By David McAlary Washington 03 May 2007 Astronaut Walter M. Schirra Jr. is shown posed for a studio portrait in his space suit in this June 1962 file photo One of the first U.S. astronauts and only the fifth American in space, Walter Schirra, has die
2007年VOA标准英语（五月）
By Jim Teeple Nablus, West Bank 02 July 2007 The recent takeover of the Gaza Strip by Hamas militants has left the Palestinian territories divided. Hamas now rules Gaza, and Palestinian President Mahmoud Abbas' Fatah faction controls the West Bank. T
2007年VOA标准英语（七月）
The selfie stick didn't always look like this. The original patent was filed all the way back in 1984, before cell phones were ubiquitous. Before the word selfie was even coined, let alone in the dictionary. The first selfie stick was neither as eleg
阅读空间
加拿大研究人员开发雷达隐身衣 TORONTO, Nov. 25 (Xinhua) --- Witches and magic may not exist, but Harry Potter's invisibility cloak certainly does. A pair of researchers in the Canadian city of Toronto have developed their very own cloaki
英语新闻
HARBIN, March 2 (Xinhua) -- A therapeutic(治疗的) apparatus to treat Parkinson's disease has been developed in northeast China's Heilongjiang Province, according to the provincial science and technology department. It is a worldwide breakthrough i
英语新闻
ABIDJAN, Dec. 6 (Xinhua) -- Cote d'Ivoire's political crisis deepens with the appointment of two prime ministers by the two presidential candidates declared the winner of the Nov. 28 run-off respectively by the electoral commission and the Constituti
英语新闻
The Flies and the Honey-PotA NUMBER of Flies were attracted to a jar of honey which had beenoverturned in a housekeeper's room, and placing their feet in it,ate greedily. Their feet, however, became so smeared with thehoney that they could not use th
英语美文
Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析，夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns
经济学人科技系列
aboard prep./adv. 在(船、飞机、车)上，上(船、飞机、车) aborted a. 流产的，失败的 abuse n./vt. ①滥用,妄用②虐待,伤害③辱骂,毁谤 account n. ①记述,描述,报告②账,账户③解释,说明 vi. (for) ①说明的
大学四六级阅读