美国科罗拉多大学波德分校的研究人员表示，睡眠不足不仅令人疲乏，还会使人因吃更多零食而发胖。
Not getting enough sleep doesn't just make you tired. It also makes you fat because of increased snacking, according to researchers at the University of Colorado Boulder in America.
来自科罗拉多大学波德校区的科学家们不能确定海水消失的原因，但他们相信更多的有关海洋的猜想证据仍旧深埋于地表之下的冰中。
Scientists from the University of Colorado at Boulder are unsure why the water vanished, but many suspect traces of the ocean remain in ice buried deep beneath the surface.
来自科罗拉多大学波德校区的科学家们不能确定海水消失的原因，但他们相信更多的有关海洋的猜想证据仍旧深埋于地表之下的冰中。
Scientists from the University of Colorado at Boulder are unsure why the water vanished, but many suspect traces of the ocean remain in ice buried deep beneath the surface.
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