单词：potato yellow-dwarf virus
单词：potato yellow-dwarf virus 相关文章
Cathy Majtenyi Experts from the World Health Organization (WHO) are in southern Sudan investigating 15 cases of an Ebola-like hemorrhagic fever that has so far claimed at least four lives. There are f
VOA2004（上）--国际时事
As the International Year of the Potato 2008 winds down, the United Nations is appealing for continued global attention on the role the potato can play in providing food security and eradicating poverty in helping to achieve the Millennium Developme
VOA标准英语2008年(十一月)
New Yellow Fever Vaccine Shows Promise A new vaccine for yellow fever is showing good results in tests as it overcomes one of the biggest problems with the current version. Yellow fever is a deadly disease that occurs in much of South America and sub
VOA标准英语2011年(四月)
as American as apple pie hot potato 美国人很喜欢吃 apple pie。 Apple pie是一种用烤箱制作的甜点心，它的外面是一层面粉，里面是用苹果做的馅儿。中文有时把 ap
美国习惯用语
couch potato mall rats 电视业的发展，特别是有线电视的出现为美国人提供了更多的选择，随之也就出现了一种花很多时间看电视的电视迷，人们把他们叫做：
美国习惯用语