单词：cat's-eye retroreflector
单词：cat's-eye retroreflector 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
I listen to podcasts nearly every day. Not only do I love the fact that I am learning each time I hear one, but I also(1) love the fact that they are free and accessible. It's interesting to consider(2) the differences between one podcast and another
英语博客 A cup of English
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
to keep one's eye on the ball eye-opener 我们再给大家介绍一个又eye组成的俗语：To keep one's eye on the ball。To keep one's eye on the ball这个常用语原先是来自球类运动,如
美国习惯用语
TORONTO, March 19 (Xinhua) -- Toronto's fashion scene will be buzzing for the next few days as 27 designers showcase their upcoming collections. The first day of the World MasterCard Fashion Week Fall 2013 has seen a fashion blast from the past, indi
英语新闻
This is the VOA Special English Development Report. An eye care organization in India is being honored for its efforts. On Tuesday, Aravind Eye Care System will receive the Conrad N. Hilton Humanitarian Prize. The award will be presented in Redwood C
2010年VOA慢速英语(四)月
This Story Is 'The Cat's Meow!' Now, the VOA Special English program Words and Their Stories. Cats are the most popular pets among Americans. So it is not surprising that there are many expressions about cats. Some cats like to catch small birds, lik
2014年VOA慢速英语(八)月
Monday-Morning Quarterbacking: Expressions of Looking Back Now, the VOA Learning English program Words and Their Stories. Each week we take a closer look at words and expressions commonly used in American English. We explain how to use them in conver
2016年VOA慢速英语(十一)月
DAVID GREENE, HOST: All right, grab the tissues because the Fab Five are back. Queer Eye on Netflix is a makeover show where five gay men with different areas of expertise try to change the life of one person, a person they refer to as a hero. It's b
2018年NPR美国国家公共电台6月
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bull's eye。 Bull's eye, 是靶心的意思。美国军方上星期成功地用导弹击落了一颗失控的侦察卫星。It was a bull's eye hit, 导弹正中打击目标。讲述刺杀美国总统的好莱坞新片《刺
英语每日一词
今天我们要学的词是bull's eye。 Bull's eye, 是靶心的意思。美国军方上星期成功地用导弹击落了一颗失控的侦察卫星。It was a bull's eye hit, 导弹正中打击目标。讲述刺杀美国总统的好莱坞新片《刺
英语单词荟萃
Larry和李华正走在公园里，两人准备穿过公园到地铁站去。今天李华会学到两个常用语：gooey和retro. LL: Oh no! I just stepped in something gooey! Gross! LH: 怎么啦！
美国之音《流行美语》
埃里克帕特里克克莱普顿，CBE（Eric Patrick Clapton，1945年3月30日－），英国吉他手、歌手和作曲家。他曾经获得过葛莱美奖，是20世纪最成功的音乐家之一，在摇滚名人堂里有三项成就。他是有史以来最伟大的吉他手之一，2003年在滚石杂志评选的一百大吉他手位列第四，
音乐咖啡厅
NAIROBI, Aug. 8 (Xinhua) -- As the dust settles on the London Diamond League, Kenya's Milcah Chemos Chweya is smiling all the way to the bank. Chemos, the world 3,000m steeplechase champion, becomes the first athlete in the premier track and field co
英语新闻
China's first global import expo, to be held later this year, is expected to offer unprecedented opportunities for Australian businesses to tap the Chinese market. A series of business forums have been held recently in major Australian cities to prom
2018CRI中国国际广播电台
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