单词：stepped reflector
单词：stepped reflector 相关文章
Pat-A-cake Pat-A-cake, pat-A-cake, baker's man! Bake us a cake just as fast as you can. Pat it and prick it and mark it with B. Put it in the oven for baby and me, Put it in the oven for baby and me, For baby and me, for baby and me. Pat-A-cake, pat-
优美儿童英语歌曲
Pat -a-cake Pat -a-cake , pat a-cake ,bakers man , Bake me a cake ,just as fast as you can . Pat it and prick it and mark it with B . And put it in the oven for baby and me . （拍拍蛋糕） 做蛋糕，做蛋糕，蛋糕师傅做蛋糕， 赶快为
我的第一本英语儿歌
特殊的声音 中文里我们经常会说哎哟哎呀等等，其实英文里也有这样的表达: Special sounds: 特殊的声音 Non-lexical sounds: /?lek-si-k?l/ 非词汇的声音 它们通常在说话间使用，起到填补的作用: Filler
美国文化脱口秀
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
Once there was a blind. One day when he was walking, he stepped the head of the dog who was sleeping. The dog barked for a while. The blind man went on for miles, this time he stepped the other dog's
英汉幽默故事选读
An antiques collector was passing a small shop when he noticed a cat on the sidewalk out front, licking milk from a saucer. The man immediately realized the saucer was very old and valuable. He steppe
英汉幽默故事选读
英语中表示倍数减少的表达方法(一)a is n times as small (light，slow，)as b. a is n times smaller (lighter， slower，) than b. 以上两句均应译为：a的大小(重量，速度，)是b的1/n[或a比b小(轻，慢，)(n-1)/n]. e.g
英语口译
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
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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）
An antiques collector was passing a small shop when he noticed a cat on the sidewalk out front, licking milk from a saucer. The man immediately realized the saucer was very old and valuable. He stepped into the shop with an uninterested look and aske
趣味英语
When my husband, Jack, was a police officer, he once approached a home guarded by two ferocious dogs. They lunged at the screen door with such force that it opened, and they tore out into the yard. Thinking quickly, Jack, stepped into the house, clos
趣味英语
October 16 10月16日 Read it! 读读看！ Alex wants dessert! 亚力克斯想吃点心！ What should he have? 他该吃什么呢？ He can eat a delicious brownie. 他可以吃一块美味的布朗尼蛋糕。 No. He wants ice cream! 不， 他想吃
大家说英语
模仿句子： Rash and her family are among roughly 380 thousand of Lebanon's poorest, who receive help under the National Poverty Targeting Programme, a welfare service set up in late 2011 that has been stepped up in the wake of the Syrian refugee
英音模仿秀
I will never forget the lesson which Mr. Li gave us. One day Mr. Li was speaking to us in our school meeting room. He began his speech by holding up a $100 bill. He asked, Who would like this $100 bill? 我难以忘怀李老师给我们上的那一课。
英语美文
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
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