在未婚夫凯西华伦陪伴下的杰西卡阿尔巴身着深紫色羽毛饰抹胸长礼服，显得宁静端庄。
Alba, with fiancee Cash Warren at her side, was serene in a deep purple strapless gown with purple feathers decorating her bodice.
美国俄亥俄州克利夫兰凯斯西大学的詹姆斯·祖尔教授说：“学习就是改变大脑。”
"Learning is brain change," says Professor James Zull from Case Western University in Cleveland, Ohio, USA.
在俄亥俄州克利夫兰的凯斯西储大学，研究科学家设计了一种4英寸的硅片，可以容纳700个微型原始马达。
At Case Western Reserve University in Cleveland, Ohio, research scientists have designed a 4-inch silicon chip that holds 700 tiny primitive motors.
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