单词：ultrasound excitation
单词：ultrasound excitation 相关文章
Technology Report - Social Innovation Summit 2012 Comes to an End From VOA Learning English, this is the Technology Report in Special English. More than 700 business leaders, government officials, investors and other people gathered last week in Moun
2012年VOA慢速英语(十二)月
Tiny Bubbles Turn Water Into Effective Cleaning Tool 小气泡把水变成有效的清洁工具 While a stream of ordinary cold water may clean some dirt it is not considered an effective cleaning agent. But when two inventors at the University of So
VOA标准英语2015年(十一月)
This one is from Ruth! Is it a toy? What is it?! It's a penis! Penis! Penis! Well, well, okay... Give me that! Jen! I'm just helping that kid with the pinata. - Okay. - I'll show you how it's done, kid. Debster! You need drinks tonight. We don't do t
英文电影预告片填空
After meeting the foster moms, we all walk to the actual orphanage where Marissa was brought as a baby. We're told there are about 500 children living at this orphanage. There are tens of thousands of children just like them across China. All around
国家地理2007年
Doctors Have a New Tool to Identify Breast Cancer Breast cancer is the most common cancer in women worldwide. Early discovery and treatment can save lives. Scientists are working new ways to recognize breast cancer while at the same time studying exi
2018年VOA慢速英语(一)月
An official in Wisconsin says at least five people have been killed in a shooting rampage in northern Wisconsin. It happened in Crandon about 225 miles north of Milwaukee. President Bush paid honor to the men and women who put their lives on the line
美联社新闻一分钟2007
High Intensity Focused Ultrasound Used to Kill Cancer Tumor 高强度聚焦超声治疗恶性肿瘤进展 LOS ANGELES, CA There is a new way of killing certain cancer tumors that allows the patient to go home on the same day. Surgeons at the Keck Med
VOA标准英语2014年(九月)
小小泡沫把普通水变成强力清洁剂 While a stream of ordinary cold water may clean some dirt it is not considered an effective cleaning agent. But when two inventors at the University of Southampton added a little ultrasound the water beca
VOA双语新闻 2015年11月
Science and Technology Three-dimensional printing An image of the future 科技 3D印刷 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U
经济学人科技系列
By Carol Pearson Washington 14 May 2008 Doctors say mammography is the best way to find breast cancer before it gets a chance to spread. But mammograms can miss some cancers, especially for women with dense breast tissue. Now, a new study shows for t
VOA标准英语2008年（五月）
Science and technology 科学技术 Three-dimensional printing 3D印刷 An image of the future 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用
经济学人科技系列
第五句型：主语 + 及物动词 + 宾语 + 宾语补足语 先回顾一下本讲第一节中有关宾语和宾语补足语的概念。 这个句型也是考试的重点，主要有三个难点： 1） 要不要 to的问题： The director wants
实用英语
Ana: Hey, Michael. I heard your mom is a zoologist. What is it exactly? Mike: A zoologist. Well, that's true. She is a zoologist. So a zoologist is someone who studies animals. Ana: Oh, interesting. So does she study all animals or does she focus on
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