单词：active opto electronic protective device
单词：active opto electronic protective device 相关文章
Have you ever bought a new electronic device, or tried a new activity, and then dropped it because you were sure you couldnt possibly master it? Well, dont give up so quickly. Researchers performed six experiments that involved subjects trying out ne
Scientific American(七)月
EXPLORATIONS -April 3, 2002: Spacesuit History By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a
Explorations
VOICE ONE: I'm Phoebe Zimmermann. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we tell about a man who made possible one of the most important communications devices ever created -- television. His name was Phi
VOA慢速英语2008年（十二）月
EDUCATION REPORT - After 40 Years, Calculators in School Still Add Up to Debate By Nancy Steinbach / Broadcast: Wed, 7 Nov 2007 16:00:00 UTC This is the VOA Special English Education Report. Can you do the math: What is one hundred times four, divid
VOA慢速英语2007年（十一）月
Dogs are known for a strong sense of smell. Their noses can be trained to identify different odors. Dogs are often used in search and rescue operations and to sniff for things like drugs and explosives. Some dogs have even been trained to sniff for c
2011年VOA慢速英语(一)月
AS IT IS 2016-08-08 New Company Plans Very Small Electronic Medical Treatments 新公司将开发小型电子医疗方法 A new company has been created to research and develop medical treatments using bioelectronics. 一家新成立的公司旨在利用
2016年VOA慢速英语(八)月
Holiday Season Features Latest, Hottest Electronic Gadgets From tablet computers to smart cameras, the holiday season is a time when shoppers are on the lookout for the newest and coolest electronic devices on the market. When it comes to electronic
VOA标准英语2012年(十一月)
New Treatment Potential Found in Popular TB Drug Scientists say new insights into a common tuberculosis drug will make it possible to shorten the treatment period for patients infected with TB. The drug pyrazinamide is widely used in combination with
VOA标准英语2011年(八月)
Today, as the development of the electronic products, people like to use the electronic products very much. They count on these products because they are so convenient and funny. So people pay a lot of attention on the electronic products, most peopl
英语作文
日本富士通实验室的研究人员开发了一种无线充电系统，可同时给一定范围内的手机、数码相机及手提电脑等各种移动设备充电，无需使用电缆。该系统最早可于2012年正式推出使用。该系统被
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It was three o'clock. She was learning how to roller-skate. She had always wanted to learn. She could not afford to buy roller-skates before. Now, she was older. She had a job. She bought her first pair of roller-skates yesterday. It is never too lat
英语第3级听力-English Level 3
Todd: Alex, can you talk a little about working at a radio station? Alex: Yeah, sure. The Radio station at my school is called WMKP. I'm actually a DJ. Well, not the turn table DJ per se, but a DJ that just plays music and talks on the air a lot, so
英语访谈对话
PEOPLE IN AMERICA - Philo Farnsworth By Paul Thompson Broadcast: Sunday, June 06, 2004 (MUSIC) VOICE ONE: I'm Phoebe Zimmermann. VOICE TWO: And I'm Steve Ember with People in America in VOA Special En
People in America
Todd: Alex, can you talk a little about working at a radio station? Alex: Yeah, sure. The Radio station at my school is called WMKP. I'm actually a DJ. Well, not the turn table DJ per se, but a DJ that just plays music and talks on the air a lot, so
原版英语对话1000个
Todays word is: osteoporosis! Yep, osteoporosis. Now, youve heard this word before, and you know it has something to do with bones. But can you actually explain what it is? The answer is straight-forward. It comes down to the fact that we human being
英语时差8，16
Listen to the questions and check the proper answers. 1.How long have you been working in this industry? 2.Why do you want to leave your current job? 3.What do you do in your current position? 4.Are you an active person? 5.When can you start the job
英语听力练习题
When Feeding Birds, Think Safety and Health Feeding birds is a popular way to watch wildlife during the winter months. But many bird experts say the experience is often more pleasant for people than for birds. And it might even put wild birds at risk
2019年VOA慢速英语(二)月
The Tape Recorder The tape recorder is one of the most welcome and popular electronic devices ever invented. For example, it can reproduce sounds quite well, which are hardly distinguishable from the original. Besides, it is very handy and can be car
四六级写作指导
Phil:So it's natural for Claire to wonder about you and her dad. This family is very protective of each other. I remember the first time Claire brought me home. Do you think Jay thought I was good enough for his little girl? No way. But, over time,
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