单词：penstemon whippleanuss
(penstemon whippleanus 的复数)
单词：penstemon whippleanuss 相关文章
U.S. Olympic silver medalist Mary Whipple is one of only two coxswains on the U.S. National Rowing Team who will be competing in the Beijing Olympics. Current Olympic rules allow only one coxswain for the women's team, and another for the men. Coxsw
VOA标准英语2008年（七月）
By George Dwyer Washington, DC 01 May 2006 watch World Oil Peak report Rising oil prices have many consumers and business people wondering how long it will be before the price of a barrel of oil or a
2006年VOA标准英语（五月）
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
VOA常速英语2008年（二月）
图片1
Let's chant Let's sing
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