The discovery, published in the latest issue of Science, counters the traditional view that, in order to conserve energy, these animals were active only by day, leaving the night to small mammals.
这项与传统观点截然不同的发现刊登在最近一期的《科学》杂志上——传统的观点认为，为了保存能量，肉食恐龙只在白天活动，而把夜晚留给了那些小型的哺乳动物。
His own inspiration to study planetary science came in part from an engaging elementary school science teacher and growing up under clear night skies in Vermont.
他之所以能够学习行星科学，部分来自于一名魅力无穷的小学科学老师，部分是因为在佛蒙特州那清澈夜空下的成长经历。
Science tells us we dream every night, which suggests that dreaming is a very natural experience.
科学告诉我们，我们每天都要做梦，这表明：做梦是一个非常自然的身体现象。
It is an image worthy of a science fiction film: a rainbow, photographed in the middle of the night, glimmers in the foreground while behind it a brilliant star rises above the horizon.
这是一幅如科幻电影中出现的景象：一道彩虹在前面流光溢彩，而背后是一颗明亮的星星升起在地平线上。
What happens in your head at night, new science reveals, is more important than you think.
新的科学研究发现，夜晚你头脑里所发生的一切比你所想的要重要的多。
John stayed up late last night cramming for his science test.
约翰昨晚为了科学科考试，熬夜看书。
John stayed up late last night cramming for his science test.
约翰昨晚为了科学科考试，熬夜看书。
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