单词：penstemon centranthifoliuss
(penstemon centranthifolius 的复数)
单词：penstemon centranthifoliuss 相关文章
By Lisa McAdams Moscow 20 February 2006 Russian and Iranian negotiators are holding talks in Moscow on a Russian compromise that is seen as a last chance to spare Iran from being called before the U.N
2006年VOA标准英语（二月）
By Lisa McAdams Moscow 21 February 2006 Russian and Iranian officials are discounting reports of failure after two days of talks in Moscow ended without Iran accepting a Russian compromise proposal. T
2006年VOA标准英语（二月）
Iranian and Russian officials began a test run of Iran's first nuclear plant on Wednesday, after repeated delays in making the plant operational. An Iranian official says the test run was done with computers and uranium was not used. The pilot opera
VOA标准英语2009年(二月)
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
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By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
VOA常速英语2007年（十二月）
今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
英语单词荟萃