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。
The pills must be kept behind pharmacy counters and can be sold to girls under the age of 18 years only with a doctor's order.
该药必须置于柜台后，并且未满18周岁的女性购买必须有医嘱。
There are three videos, each illustrating how the same basic build order can lead to three very distinct counters to Stingrays .
这里有三个视频，每一个说明了同一个基本建造序列是如何引出三种非常不同的抵抗黄鱼战术的。
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