单词：ceiling reflector
单词：ceiling reflector 相关文章
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
Scientific American(四)月
据《科学》杂志报道，苏联的月球车40年前在月球表面留下了激光反射器，虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日，一组物理学家终于发现了来自反射器的微弱闪
60秒科学
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
我们讲过几个表示非常生气的习惯用语，例如像：To make one's blood boil.我们今天再来讲两个和生气有关的俗语。我们要讲的第一个俗语是：To hit the ceiling.
美国习惯用语
In coming weeks, the U.S. Congress is widely expected to raise the federal governments debt ceiling, thereby allowing it to borrow additional funds and service Americas $14 trillion national debt. Congress has never failed to raise the borrowing limi
英语新闻
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
2016CRI中国国际广播电台
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
英文短篇故事（纽约）
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
VOA常速英语2007年（十一月）
今天我们要学的词是glass ceiling。 Glass ceiling, 玻璃天花板，指看似无形，但实际存在的障碍。奥巴马赢得民主党总统候选人提名，使黑人总统成为可能。 For some, a black president symbolizes the smashi
英语每日一词
WASHINGTON, Jan. 31 (Xinhua) -- U.S. Senate on Thursday approved the postponement of the federal government's debt ceiling until May to keep the federal government in operation and give lawmakers more time to mull over how to rein in the government's
英语新闻
WASHINGTON, Jan. 14 (Xinhua) -- One week before starting his second term, U.S. President Barack Obama on Monday urged Congress to raise the country's debt ceiling in a timely manner to avert dampening investor confidence and derailing the economic re
英语新闻
WASHINGTON, Jan. 17 (Xinhua) -- U.S. President Barack Obama has insisted on his stance that Congress should increase the country's debt ceiling without delay, White House spokesman Jay Carney said Thursday. The President has made clear he's not going
英语新闻
NEW DELHI, Sept. 22 (Xinhua) -- A portion of a false ceiling at the Jawaharlal Nehru Stadium, the main venue（犯罪地点） of the upcoming Commonwealth Games in the Indian capital, collapsed Wednesday, causing no injuries, reported the Indo-Asian
英语新闻
U.S. President Barack Obama has announced an agreement with congressional leaders on a compromise deal to raise the nation's debt ceiling and keep the government from defaulting on its $14.3 trillion debt. Mr. Obama told reporters at the White House
英语新闻
今天我们要学的词是ceiling。Ceiling, 是房间天花板的意思，可以引伸为上限。美国现行联邦债务上限是14.3万亿美元。 Some Republican lawmakers are opposed to raising the debt ceiling without tackling government spe
英语每日一词
今天我们要学的词是debt ceiling。 Debt ceiling, 借债限额。The US government hit the $14.3 trillion debt ceiling in May, 美国政府五月份达到了14.3万亿美元的借债最高限额。 美国总统奥巴马设法增加借债限额的
英语单词荟萃
今天我们要学的词是glass ceiling。 Glass ceiling, 玻璃天花板，指看似无形，但实际存在的障碍。奥巴马赢得民主党总统候选人提名，使黑人总统成为可能。 For some, a black president symbolizes the smashi
英语单词荟萃
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台
The U.S. House of Representatives late Monday passed a bill to raise the country's debt ceiling in exchange for cuts in government spending - one day ahead of a potential default on America's $14.3 trillion national debt. The action now shifts to the
英语新闻
Daunting hurdles remain for two legislative plans to cut U.S. government spending, raise the federal borrowing limit and avert a national debt crisis experts warn that could stall Americas fragile economic recovery and send financial shock waves arou
英语新闻