单词：ultrasonic chemical process
单词：ultrasonic chemical process 相关文章
[00:03.84]第四部分 在泌尿科门诊 [00:07.68]1.How long has this been going on? [00:21.00]这种情况有多久了? [00:34.32]2.Does it hurt when you pass water? [00:47.95]小便时有痛感吗? [01:01.57]3.How often do you usually pass water? [01:12.15]你通常每天小便
医疗服务英语
科学家们创造可触摸的虚拟影像 Motion recognition technology already allows users to command computer-controlled devices by waving a hand above a sensitive surface. 动作识别技术已使得用户能够通过挥手对电脑控制的设备
VOA标准英语2015年(九月)
1177 、 程序；程序 program 1178 、 稀释剂；天拿水 thinner 1179 、 等角投影 isometricprojection 1180 、 等角投影纸；斜格纸 isometricgridpaper 1181 、 等角投影图；均角
英文名句短语
Scientists Use Sound Waves to Find Hidden Cracks in Bridges, Airplanes 科学家利用声波在桥梁和飞机寻找隐蔽的裂缝 On August 1, 2007, a steel bridge in Minneapolis, Minnesota, collapsed, sending people and vehicles into the Mississip
2015年VOA慢速英语(四)月
The drug Taxol is a powerful weapon in the fight against cancer, but it's very expensive and complicated to manufacture. Now, scientists at Tufts University and the Massachusetts Institute of Technology (MIT) say they've taken the first steps to make
VOA标准英语2010年(十)月
利用声音图像发现设施上裂纹 Finding hidden cracks in large structures, such as bridges and airplanes, can be the difference between life and death, if the flaw leads to a catastrophic collapse. Scientists at Bristol University in Britain
VOA标准英语2015年(八月)
美国准备销毁叙利亚化学武器 The U.S. Defense Department is preparing to test a system it plans to use to destroy Syria's chemical weapons stockpiles at sea. Officials are offering reassurances that the process will be safe. 美国国防部正
VOA双语新闻 2013年12月
How do you attract a mate? If youre a male mouse, you take the Frank Sinatra approachyou sing. Scientists have known about crooning male mice for years. And past experiments showed that if you leave male mice alone with an unconscious female or even
2017年Scientific American(三)月
JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human
PBS访谈环境系列
JUDY WOODRUFF: A few drips of good news greeted residents of West Virginia today, but the fallout from last weeks chemical spill is far from over. There's finally relief for some of the 300,000 West Virginians who've been unable to drink, cook or eve
PBS访谈健康系列
[Cartoon audio clip] We interrupt your regular broadcast to bring you this important news bulletin. Humans can talk. Chimps cant. Your scientific jargon staggers me, Pinky. In recent years scientists have learned that mutations in a gene called FOXP
60秒科学
As well as the school, the cave houses eighteen families, together with their livestock. These could be the only cave-dwelling cows on earth. With schoolwork over, its playtime at last. In Southern China, caves arent just used for shelter; they can b
英语听力：文化博览2008年
Vibrating gloves will soon replace the white cane to help blind people see their surroundings. 不久的将来，振动手套将取代盲杖帮助盲人看见周围的环境。 This is the prediction of a British team who has developed a prototype gl
阅读空间
It's hard to teach a robot to sew. 教机器人缝纫是非常困难的。 Robots are good at handling materials that are rigid and easy to lift, cut and maneuver. 机器人擅长处理易于拿起、剪切、调转的硬质材料。 But it's a diffe
英语新闻
英语特殊结构的句型比较固定，在纷杂的英语句子中找出一些普遍性和代表性的规律，对理解或翻译颇有裨益。在尊重汉语习惯表达方式的前提下，如何将英语特殊结构译成准确的汉语，是提
英语笔译
Amnesia 健忘症 When we remember something, the neuron s in our brains communicate with each other in a particular way. The chemical and sometimes even structural changes that occur create a pathway called a memory trace. Signals traveling along th
英语听力文摘 English Digest
When we remember something, the neurons in our brains communicate with each other in a particular way. The chemical and sometimes even structural changes that occur create a pathway called a memory trace. Signals traveling along these traces are what
英语时差8，16