[网络] Penstemon亚麻籽
(penstemon linarioides 的复数)

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

发表于:2019-01-25 / 阅读(213) / 评论(0) 分类 VOA常速英语2008年(二月)

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发表于:2019-01-27 / 阅读(109) / 评论(0) 分类 粉红猪小妹第二季

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

发表于:2019-02-17 / 阅读(74) / 评论(0) 分类 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

发表于:2019-02-18 / 阅读(72) / 评论(0) 分类 英语单词荟萃