单词:placenta circumvallata
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With the development of science, human life has changed tremendously. People living in the 18th or 19th centuries would never imagine the advanced household appliances we are now able to enjoy. Every aspect of our lives for instance, in the field of
Welcome to THE MAKING OF A NATION -- American history in VOA Special English. By eighteen sixty-three, America's northern states and southern states had been fighting a bitter civil war for two years. Both sides felt the pressure of the costly strug
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1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way
Jason Lewis pedals his boat up the river Thames After 13 years and 46,000 miles (75,00km) a British adventurer has completed a round-the-world journey using human power alone. Jason Lewis, 40, crossed five continents, two oceans and a sea to become
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Science and technology 科学技术 Blood simple 简单的输血 A small change in how babies are delivered might abolish infantile anaemia 分娩方式的简单改变可能帮助消灭婴儿贫血 An unkind cut? 争议的一剪? CHILDHOOD anaemia
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在外国如何打出租车Takeataxi A: Manhattan Square, please. B: All right, sir. When are you supposed to be there? A: Id like to go around the city, if you dont mind. -请到曼哈顿广常 -好的,先生。要求几点到。
unit 409 报错电话号码(2) dialogue 英语情景对话 A:May I help you? A:可以为您效劳吗? B:I'd like to place a person-to-person call to Mrs. tengvall in Sweden. B:我想打一个私人电话给瑞典的唐瓦夫人。 A:Could I hav