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Calculator 计算器 A calculator is a device for calculations in math. 计算器是数学上用于计算的工具。 It is not a computer. 它不是计算机。 And it is usually small, digital and inexpensive. 它通常是小巧且廉价的电子产品

发表于:2018-12-13 / 阅读(37) / 评论(0)

与美国小学生一起学英文第3册

英语口语轻松学第43期:带上这些小玩意吧

ENGLISH MARATHON Host: Jeffery 1. heater, air-conditioning; 2. plug/ socket 3. hair drier, iron 4. power converter/adapter 5. There is something wrong with...

发表于:2018-12-26 / 阅读(84) / 评论(0)

英语口语轻松学

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Now Your Turn Electrician: Wasnt I just here several days ago for an electrical problem? Ashley: I guess youre mistaken. Electrician: Oh man! Look what youve done! You cant plug all these appliances into one socket. Its too much overloaded! Ashley: I

发表于:2018-12-29 / 阅读(38) / 评论(0)

新视野大学英语：视听说教程 1

VOA标准英语2010年-Powered Parachute Gives US Rural Polic

As an alternative to expensive helicopters or traditional jets, some law enforcement agencies are experimenting with lightweight craft that stay airborne using just a parachute. Steve Mort | Palm Bay, Florida 01 January 2010 The Palm Bay Police Depar

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This is the VOA Special English Development Report. Harvest in Benin A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers. The study in Benin found that solar-powered pumps are

发表于:2019-01-31 / 阅读(75) / 评论(0)

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People flying into Indias southern city of Cochin may see numerous solar panels around Cochin International Airport. But they may not know that the airport was the first in the world to be fully powered by solar energy. A sea of shiny solar panels st

发表于:2019-02-18 / 阅读(48) / 评论(0)

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