单词：sialoscintigraphy
单词：sialoscintigraphy 相关文章
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英语口语天天练-大米
The United Nations chose the theme of women and science education for this year's International Women's Day to highlight the gender gap in many parts of the world between the number of men and women scientists. Yanti, a scientist developing new chemi
VOA标准英语2011年(三月)
It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co
VOA标准英语2010年(十)月
By Mike O'Sullivan Los Angeles 03 May 2007 Leading environmental experts who are meeting in Bangkok this week are hammering out details of a report on ways to fight climate change. Several leading US scientists say the report, to be released Friday,
2007年VOA标准英语（五月）
By Jim Malone Washington 06 February 2008 In the U.S. presidential race, Democrats are preparing for a long battle to select their party nominee for the White House. In the Republican race, Senator John McCain has claimed the mantle of frontrunner on
VOA常速英语2008年（二月）
By Kurt Achin Kyoto 04 May 2007 Asia's economic development is a success story that has been decades in the making. But in the past decade, the region has become a key factor in a global imbalance marked by too much reliance on exports by countries i
2007年VOA标准英语（五月）