单词：curved reflector
单词：curved reflector 相关文章
Underground Station in Capital to Become Arts Center 资本运作令旧车站成为艺术中心 The Dupont Circle park in Washington DC is a busy, crowded place. Popular restaurants and businesses around the circle attract many city residents and vis
2015年VOA慢速英语(八)月
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
Laughter is the best medicine. 笑是良药！ straight face Straight 的意思是直的。直线是 straight line. 曲线是 curved line.人在笑得时候，脸上会有很多 curved line(曲线）；相反，人不笑得时候，脸很僵硬，所以
美国人这样说英语
玛丽和阮在讨论夏威夷有什么值得玩的 Mari: Hi, Im Mari. Im here with Ron. Ron is from Hawaii. So Ron, what is so special about Hawaii? Ron: Well, Hawaii is my home, but to people not from Hawaii, I think Hawaii is famous for its nice w
英语口语练习册
chapter 18 The War-Gods Country 第18章 战神的国家 Tommy Tinker was eating a slice of bread and butter. 汤米廷克正在吃一片涂了黄油的面包。 He was biting it very carefully round the edges and between bites he looked at it though
美国学生世界地理教材
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
American Football Player Joins Philadelphia Orchestra For a Day This is Whats Trending Today Jason Kelce plays American football for the Philadelphia Eagles. The team won the Super Bowl earlier this year. He has become one the best-known players on t
2018年VOA慢速英语(七)月
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
Water Pollution 水污染 Can you see a curved fish? 你看到过畸形鱼吗？ Curved fish live in dirty water. 畸形鱼生活在污水中。 Curved fish started to appear because of water pollution. 它们的出现是因为水污染。 How does w
与美国小学生一起学英文第6册
This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi
VOA慢速英语2008（十）月
Thats a bit direct Anna. 安娜，这有点直接。 Slow down and tell them your name and why youre calling. 慢慢来，告诉他们你的名字和为何打电话。 Find out something about them. 调查一下他们的情况。 Maybe say Id like to
职场英文口语
I think Anna has just done Tom a big favour shes stopped him getting fired for now. 我认为安娜帮了汤姆一个大忙。他暂时没让他被解雇。 Sometimes conversations with your boss can get too personal but I think Annas got the hang of
职场英文口语
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）
May I have a menu, please? （我可以看菜单吗？）《白领英语900句》在点菜之前，一般先要份菜单。点菜有两种方式，一是a la carte（随意点菜），一是tabled' hotel或fixed price meal（份饭，套餐），后一
实用英语
Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空，我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢
TED演讲教育篇
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
神探夏洛克第一季第三集_24 我是说 平时他也很小心 I mean, usually, he's so careful. 可那一晚 几杯以后 他开始无话不谈了 'But that night, after a few pints, he really opened up. 他告诉了我这个计划 'He told me
神探夏洛克第一季