单词:light company
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Lesson 016 New words and expressions: 1. Russian We are Russian. Can you understand Russian? His mother is Russian. 2. Dutch Are you Dutch? There are some Dutch students in my class. 3. these What are these boxes for? Whose books are these? 4. red Wh
This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because
OAM operation administration maintenance OCC other common carriers Ohms Restriction Ohms Restriction is the same as Ohms resistance. Ohms are measures of resistance. A resistance of one Ohm allows one
ANNOUNCER: Welcome to the VOA Special English program, People in America. Today, Sarah Long and Bob Doughty tell about the inventor Thomas Alva Edison. He had a major effect on the lives of people around the world. Thomas Edison is remembered most f
新科技:没有电的地方也可灯火通明 This year's Nobel Prize for Physics was awarded to inventors of the light emitting diode, commonly known by the acronym LED, now being used around the world. However, according to the International Ene
CHANGSHA, Aug. 10 (Xinhua) -- The world's first super-capacity light rail train was completed Friday by China South Locomotive and Rolling Stock Corporation Limited (CSR) Zhuzhou Electric Locomotive Co., Ltd. in Zhuzhou, central China's Hunan provinc