单词：Beyer's speed change device
单词：Beyer's speed change device 相关文章
By measuring how fast these stars were moving, he could prove if there really was a black hole at the center of an active galaxy. I picked a galaxy nearby which is called NGC 1068, an active galaxy, w
超大质量黑洞
It is 10:30 on a warm May night in Washington, D.C. Emily Skeels and a few friends are outside talking and laughing. One friend plays music from a wireless device. Skeels and friends have just finished a bicycle ride around the city on an event calle
2018年VOA慢速英语(五)月
New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl
VOA标准英语2014年(二月)
Im going to the railway station. 我要去火车站。 Please help me put the luggage in the trunk. 请帮我把行李放到行李箱里。 Please get to the airport within one hour. 请在一小时内赶到机场。 How long do we get there? 多长时
英语口语900句
Being Young: A State of Mind I recently went on a family outing. The kids were running around, being crazy like kids do, and my wife and I taking care of them. My mother-in-law also came to have fun and help, and believe it or not, she was the most u
时尚英语话题
【Trancript】 Change the toner cartridge A：I cant make out anything, the words are too light. I thought they have already changed the toner cartridge this month. B：It seems not or somebody has recently received a large fax. A：Ok, no problem.
白领快餐口语
有多少人有染头发的习惯?经常听说染发剂会对人体造成伤害.英国每日邮报的一篇报道说,现在有了一种新的染发技术,只需按下一个按钮. 染发新技术 The Daily Mail: Dying your hair can be time consuming
双语趣听精彩世界
AUDIE CORNISH, HOST: Each year, malaria kills about half a million people around the world. Health officials say a fast, cheap, accurate way to test for malarial infection would be extremely helpful in combating the disease. As NPR science correspond
2018年NPR美国国家公共电台5月
Voice 1 Hello, Im Marina Santee. Voice 2 And Im Rachel Hobson. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Welcome to our l
环球英语 Spotlight
Likewise, light travels at its maximum speed through a vacuum-the interstellar highway-but it slows down when it enters air, water, or some other medium. Through air, light moves a hint slower: forty miles-per-second less than its maximum speed. Thro
英语时差8，16
Addressing the opening of the annual gathering of the National People's Congress, Premier Li Keqiang has set China's GDP growth target for this year at between 6.5 to 7 percent. He has also unveiled the draft of the much-anticipated 13th Five Year Pl
英语新闻
During her speech, Pritzker explains the central message of her visit to China and the U.S. side's approach to environmental protection. The central message of our visit is with responsible partnership we will do more business together and in doing s
英语新闻
BEIJING, Feb. 28 (Xinhua) -- Construction began on China's first low-speed maglev(磁力悬浮火车) line Monday in Beijing, a project that will make China only the second country with a low-speed maglev line after Japan. The project marked China's
英语新闻
Display screens 显示屏 Going through a phase 相转变 A new way to create electronic images 新的电子图案显示方法 Wave of the future? 未来之波 LIQUID-CRYSTAL displays are a familiar and ubiquitous technology. But if Harish Bhaskaran
经济学人科技系列
Ways to Achieve Your Goals From VOA Learning English, this is the Health Lifestyle report. 这里是VOA慢速英语健康生活报道。 If you are like millions of people around the world, the New Year brings with it new goals. 如果你和全世界数
2019年VOA慢速英语(一)月
All your life you've tried to fill a void, oh Fake a smile but couldn't find the joy, no They slow you down just to make sure you fit in, oh But they were wrong cause I wouldn't change a thing, no If you want somebody to love you You know I will If y
英文摇滚歌曲
highway code交通法规; traffic sign交通标志; accelerate加速; brake刹车; engage the clutch接上离合器; change gear变速; start up起动; decelerate减速; top speed最高速度; park停车; switch off the motor熄火 本文由在线英语
雅思英语
MICHEL MARTIN, HOST: We've been checking in every so often with Boyan Slat. He's the CEO of The Ocean Cleanup. That's an environmental organization he founded to develop technology to clean up plastic in the ocean. Now, we spoke with Mr. Slat back in
2019年NPR美国国家公共电台1月
Addressing the opening of the annual gathering of the National People's Congress, Premier Li Keqiang has set China's GDP growth target for this year at between 6.5 to 7 percent. He has also unveiled the draft of the much-anticipated 13th Five Year Pl
2016CRI中国国际广播电台
In southwest Chinas Yunnan province, construction of a high-speed railway connecting the capital city of Kunming with Shanghai has just been completed. The high-speed railway is the first for Yunnan. The route is about 380 kilometers and connects the
cctv9英语新闻2016年