-
(单词翻译:双击或拖选)
By Carol Pearson
Washington, D.C.
18 February 2008
Washington, D.C.
18 February 2008
Medical researchers are working on a vaccine1 for lymphoma, a blood cancer that afflicts2 both humans -- and dogs. In fact, the veterinary school at the University of Pennsylvania is working closely with the university's medical school to develop a vaccine for lymphoma that could prevent the disease in dogs, and then someday perhaps, prevent people from getting this form of cancer. VOA's Carol Pearson has the story.
点击
收听单词发音

1
vaccine
![]() |
|
n.牛痘苗,疫苗;adj.牛痘的,疫苗的 | |
参考例句: |
|
|
2
afflicts
![]() |
|
使受痛苦,折磨( afflict的名词复数 ) | |
参考例句: |
|
|