你大脑在睡眠中产生的‘睡眠梭形波’越多，你越有可能一直保持睡眠状态，就算被噪音包围也一样。” 波士顿哈佛医学院的杰夫•艾伦伯格说。
The more sleep spindles your brain produces, the more likely you'll stay asleep, even when confronted with noise, " said Jeffrey Ellenbogen of Harvard Medical School in Boston.
梅德韦杰夫身穿牛仔裤和灰色衬衫，而波诺则戴着他标志性的墨镜和耳环，留着短而硬的胡茬。
The president, in jeans and grey shirt, and Bono, in his trademark dark glasses, stubble and earring, sipped tea on the veranda.
玛利亚·基里连科周一在澳网首战中击败玛利亚·莎拉波娃，给自己的男友伊戈尔·安德烈夫，在即将周二迎战罗杰·费德勒的第一轮比赛增加了不少压力。
Maria Kirilenko, who beat Maria Sharapova at the Australian Open on Monday, has added extra pressure on the shoulders of her boyfriend Igor Andreev, who plays Roger Federer in the first round Tuesday.
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