单词：ac powered hand tools
单词：ac powered hand tools 相关文章
Intelligent Crows Use Tools What do otters, chimpanzees, and one species of crow have in common? All three are animals. They also use tools. Scientists have long known that a crow native to New Caledonia is able to use tools. The birds use them to re
2016年VOA慢速英语(九)月
Powered Exoskeletons Give Assistance in Walking, Lifting Powered suits that could help paralyzed people walk and others lift and carry heavy loads with ease have been an inventor's dream since late 19th century. But they had to wait until the 21st ce
VOA标准英语2015年(七月)
新编英语教程第四册unit02_2_Overcoming_Procrastination_A_Prac
新编大学英语阅读部分
Chuck: Just remember that we have a lot to accomplish today, so lets just get what we need and go, okay? Ayaka: Sure, we just need a few tools for our DIY project. The power tools are over there. Chuck: Whoa, were not getting power tools. We just nee
地道美语播客
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
VOA标准英语2010年(一月)
Earliest Known Human Hand-Ax Found in Kenya Archaeologists working in northwestern Kenya have found a skillfully hand-crafted stone ax which appears to have been made nearly 1.75 million years ago, making it the oldest such tool ever discovered. The
VOA标准英语2011年(九月)
Rock climbing is the original extreme sport． Basically , rock climbing is going from the bottom of a wall to the top and then back down again. The main goal is to have fun while doing so and to pref
奥运英语
To do a job right, you need the right tools. Even a chimp knows that. According to a study in the American Journal of Primatology, chimps in the Congo use multiple tools to capture army ants. Youve probably seen footage of chimps using sticks to har
60秒科学
HEALTH REPORT - July 31, 2002: Tobacco and Cancer By Nancy Steinbach This is the VOA Special English Health Report. A recent report by the International Agency for Research on Cancer says the dangers
健康与环境
Many years ago, some women made a meager living by working in a cigarette factory. It was their job to put 20 cigarettes in each pack, by hand. Their manager was a mean old man. He carried a bamboo rod in his hand. His bodyguard, who accompanied him
365个英语简短小故事
AS IT IS 2016-08-04 Ugandan Company Demonstrates Solar-Powered Bus 乌干达演示太阳能汽车 A bus powered by the suns energy has made its public debut. Kiira Motors Corporation demonstrated the new electric bus recently at a sports center in th
2016年VOA慢速英语(八)月
The drive to develop a battery to power automobiles, without using petroleum, is also behind the effort to develop an electric powered airplane. New designs for electric aircraft were recently unveiled at the Experimental Aircraft Association's (EAA)
VOA标准英语2010年(八)月
India has launched its first indigenously built nuclear-powered submarine capable of firing ballistic missiles. The submarine, once in service, will give the country the capability to fire nuclear weapons from sea besides land and air. The Indian na
VOA标准英语2009年(七月)
Bottle Museum Showcases Centuries-Old Handmade Glass Bottles 玻璃瓶博物馆展出历史悠久的手工玻璃瓶 BALLSTON SPA, NEW YORK Until the beginning of the 20th century, glass bottles - for pharmacies, breweries, and dairy farms - were all
VOA标准英语2014年(一月)
Buying Tools at a Hardware Store Chuck: Just remember that we have a lot to accomplish today, so lets just get what we need and go, okay? Ayaka: Sure, we just need a few tools for our DIY project. The power tools are over there. Chuck: Whoa, were not
2013年ESL之日常生活
DEVELOPMENT REPORT – July 29, 2002: Tools for Development By Jill Moss (Photo -CARE) This is the VOA Special English Development Report. Building things or making clothes can be difficult in develop
农业与发展
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
2010年慢速英语(一)月
Did you know that in general we have on the average, i guess, about 26 eletronic gadgets in our house and they are constantly all pluging them and charging them and very little that power actually goes to chargers. Some of it is just regularly runnin
英语杂谈
BEIJING, July 13 (Xinhua) -- A senior legislator said China's top legislature is actively preparing to introduce more tobacco-control legislation, after a smoking ban in indoor public places seems ineffective, the People's Daily reported Friday. Chin
英语新闻
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
2019年VOA慢速英语(二)月