单词：cluster formation
单词：cluster formation 相关文章
Cluster balloonists tie a bunch of helium balloons to a lawn chair, sit in the chair, cut the anchor rope, and go flying into the wild blue yonder. To land, they cut some of the cords attaching the balloons to the chair. A small group of daredevils h
365个英语简短小故事
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t
Scientific American(九)月
Hundreds of Thousands of Cluster Munitions Destroyed A new report says governments that joined the treaty banning cluster munitions have destroyed nearly 750-thousand of the weapons since 2008. However, it also says there are credible allegations of
VOA标准英语2012年(九月)
VOA Finds Evidence of Syrian Cluster Bomb Use In Azaz, Syria, in late January, Syrian government forces used what arms experts say is a particularly deadly weapon. Residents say a plane dropped nine large cluster bombs on this neighborhood on the out
VOA标准英语2013年(三月)
Oxygen therapy can bring drug-free relief to many Vidushi Sinha | Washington, DC 15 December 2009 A new study shows that breathing pure oxygen can considerably lessen the agony experienced with severe headaches Cluster headaches are described by suff
VOA标准英语2009年(十二月)
Voice 1 Welcome to Spotlight. I'm Ruby Jones. Voice 2 And I'm Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Soraj Ghulam Habib is a young
环球英语 Spotlight