单词：non-efficience
单词：non-efficience 相关文章
Education Report - A Social Network Aims to Speed Up Progress in Science This is the VOA Special English Education Report. A few years ago, a university researcher was having problems with an experiment that involved medical imaging. His adviser and
2011年VOA慢速英语(四)月
Callum: Hello and welcome to 6 Minute English, I'm Callum Robertson and with me todayis Kate, hello Kate. Kate: Hello Callum. Callum: Today we're going 'down under' - Kate, where's that, where's 'down under'? Kate: 'Down under' means Australia. Callu
六分钟英语
[00:00.00]Module 8 IN A MUSEUM [00:07.39]UNIT 1 I'm really excited to be here. [00:12.59]1 Listen and read. Then say. [00:17.92]Thanks for bringing me to the Science Museum [00:20.03]today, Dad. [00:21.66]I'm really excited to be here. [00:24.25]Ther
外研社新标准初中英语九年级
This is the VOA Special English Education Report. The Intel Science Talent Search is the top science competition for high school students in the United States. The forty finalists were honored in Washington last week. They met with scientists and pol
2011年VOA慢速英语(三)月
WASHINGTON, Dec. 22 (Xinhua) -- The journal Science on Thursday chose the HPTN 052 clinical trial, an international HIV prevention trial as the 2011 Breakthrough of the Year. The study found that if HIV-infected heterosexual individuals begin taking
英语新闻
SCIENCE IN THE NEWS - Kitchen Chemistry: The Science of Herbs and Spices FAITH LAPIDUS: This is SCIENCE IN THE NEWS a program in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell about herbs and spices, and s
2012年VOA慢速英语(七)月