单词：trypomastigote
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By Elena Mikhailova New York City 29 May 2008 One of Russia's most popular fashion designers has opened her first clothing store in the U.S. Teenager Kira Plastinina's designs are already a hit in her homeland and now she is hoping to find success in
VOA标准英语2008年（五月）
The U.N. Children's Fund says 840,000 children in Gaza are under extreme stress and are traumatized by the violent events of the past few weeks. UNICEF warns of long-lasting psychological consequences for thousands of children caught up in the Israe
VOA标准英语2009年(一月)
By Retno Pinasti and Rafael Setyo Washington 21 August 2007 A coal-powered engine on the Strasburg Railroad A visit to Strasburg, Pennsylvania is a trip to the past, a time when steam powered the railroads and horse-drawn implements were used to farm
2007年VOA标准英语（八月）