人工气管置换术

创新英语-Scientists Create Energy-Making Artificial Leaf

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(94) / 评论(0)

创新英语

VOA标准英语2010年-Inventive Partnership Extends Millions

Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. One of the pioneers in that field is Dr. Albert Starr, who co-invented the heart value - which has extende

发表于:2019-01-14 / 阅读(32) / 评论(0)

VOA标准英语2010年(十一)月

VOA双语新闻 - 美国人物：心脏医学先驱斯塔尔

Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. 外科医生1950年代首次在人类心脏里植入了试验性的人造瓣膜。心脏医学自那以来取

发表于:2019-01-19 / 阅读(37) / 评论(0)

VOA双语新闻 2011年2月

VOA常速英语2008年-Rat Study Links Weight Gain to Artificial Sweet

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

发表于:2019-01-19 / 阅读(45) / 评论(0)

VOA常速英语2008年（二月）

学个词Learn a Word 第1713-artificial

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前，The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

发表于:2019-01-30 / 阅读(51) / 评论(0)

英语单词荟萃

10个可替换的人体器官

Human bodies are frail, easily damaged packages full of parts that can never fully come back once lost. Luckily, researchers worldwide are working on replacing every bit of the body to make us all cyborgs. 人的身体是十分脆弱的，有些娇弱的

发表于:2019-02-08 / 阅读(377) / 评论(0)

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born - oppenheimer approximation

Brachaeluridae

brindisi (brundisium)

cash blotter