单词:pre-solar materials
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VOICE ONE: Im Steve Ember. VOICE TWO: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about the Washington, D.C. Green Festival that took place earlier this month. An estimated thirty thousand people attended this two-da
Matthew: Hey Kat, you were just telling me about all the pros and cons of different renewable energies and you just got me thinking we're going to run outof oil in the next couple of decades. There's reports that say we're going to run out of oil in
Last month, China banned imports of some waste materials that can be reused in manufacturing. The move is forcing other countries to rethink their policies on recycled waste. Before the ban, China was the first resting place for about half of the wor
This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene
Get with it! 跟上(时势、潮流、事情的发现状况等)吧! A: You know. I noticed that almost everyone in my class owns a cell phone. A: 你知道吗? 我发觉我们班上几乎每一个人都有一台手机。 B: Please! Cell phones are a
By Suzanne Presto New York 30 August 2007 FBI agents were called to a United Nation's building near the headquarters Thursday to remove vials of a possibly hazardous material found in weapons inspectors' offices. From VOA's United Nation's bureau, Su
Paintable Solar Cells May Replace Silicon-Based Devices 可喷涂太阳能电池可能取代硅基电池板 Solar panels are manufactured in factories. Some of the devices are made with cadmium chloride, a substance shown to be harmful to human healt
SCOTT SIMON, HOST: The world Philip Pullman created is back, in his hands and now ours. His Dark Materials trilogy, which began more than 20 years ago with a book called The Golden Compass is set in a world ruled by a theocratic overlords called The
To discover why these twin planets followed separate paths and to explore what gave us our precious atmosphere, we have to travel back, back four and a half billion years to the birth of the solar system itself. The birth of the solar system created
Matthew: Hey Kat, you were just telling me about all the pros and cons of different renewable energies and you just got me thinking we're going to run outof oil in the next couple of decades. There's reports that say we're going to run out of oil in
In 1897, the Library moved to its own building across the street from the Capitol. Today, three buildings hold the library's collection. 1897年,图书馆移至它自己的大楼内,与国会大厦隔街相望。如今,三幢建筑收藏着图书
1. Remember that learning a language is a gradual process - it does not happen overnight. 1. 记住,学习一门语言是一个循序渐进的过程,不可能一蹴而就。 2. Define your learning objectives early: What do you want to learn and
BEIJING, June 25 (Xinhua) -- Tents, quilts, coats and other relief materials have been sent to southwest China's Yunnan and Sichuan provinces in the wake of an earthquake that jolted the area on Sunday, the Ministry of Civil Affairs said Monday. Loca
Tiny nanomaterials show promise in many efforts to reduce greenhouse gas emissions Rosanne Skirble | Washington, DC 03 December 2009 Sir Lankan village shop at dusk lit by solar panels - Nanotechnology could help make solar cells more accessible, eff
叙利亚化学武器开始转移 UNITED NATIONS, Jan. 7 (Xinhua) -- A first shipment of chemical materials was moved from Syria on Tuesday, which initiated the process of transferring chemical weapons from the country to locations outside its territ
Listen to the dialogues and check what she's talking about. 英语对话1 A:How is it? B:I think the left shoe is a bit too small. 英语对话2 A:How do you find it? B:I don't like the floral on the shorts. 英语对话3 A:Do you like it? B:I think
歌曲 : If I 艺人 :Little Birdy 音乐星级 : ★★★★ 所属专辑 :Confetti 发行年代 :2009 风格 :AlternRock 相关介绍 : Little Birdy, 来自澳大利亚西部城市Perth的四人乐队, 成员分别是主唱兼吉他Katy Steele, 吉他手Simon Leach, 贝司Scott O'Donoghue, 和鼓