The Smithsonian's National Museum of American History in Washington,D.C., has one of the oldest known pairs of Levi's jeans in its collection.
VOA: special.2009.12.18
Some of these science students work in Doctor Levi-Montalcini's laboratory in Italy.
VOA: special.2009.05.13
Doctor Jeff Levi is head of the Trust for America's Health.
VOA: special.2009.07.21
应用推荐