________________South Korea's top diplomat cancels a trip to Japan. I'm David DeForest reporting from Washington. After shocks and landslides continue to challenge rescue efforts in China's Sichuan Province today as teams rushed to reach isolated areas at the quake-struck province. William Ide takes a look. ________________韩国外长取消访日行程.我是大卫.迪弗罗斯特,在华盛顿报道. 当大批救援队伍赶赴四川地震受灾严重地区时,但随后的余震和山体滑坡不断给救援工作带来挑战.威廉.艾德报道.
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