单词:acoutoelectric effect
单词:acoutoelectric effect 相关文章
There are many people who say Thomas Edison single-handedly invented the twentieth century. Although there are those who may disagree, one thing cannot be denied: Edison was a genius, and his inventions greatly affected the development of modern soci
By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide
Jackie: Hello, I'm Jackie Dalton. Welcome to Entertainment, which this week has a sports theme. We're going to be finding out about how noise from spectators at sports events affects players or competitors taking part in a sport. Sandy Wilson It's b
Benjamin Frankin wondered about(at) lightning. He combined his curiosity with imagination and carried out his well-known experiment to show that lightning and an electric spark are the same thing. Cur
Antibody Could Reverse Diabetes Scientists in California have developed a new approach to treating diabetes which might be able to reverse the disease and not just treat the symptoms. The World Health Organization estimates that more than one-third o
今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副