Play allows a young animal to explore its environment and practice skill in comparative safety since the surrounding adults generally do not expect the young to deal with threats or predators.

玩耍可以让一只小动物探索环境并在相对安全的环境中练习技能，因为周围的成年动物通常不期望幼崽应对威胁或捕食者。

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"Did the land-loving ancestors of these aquatic groups simply fall into the water, were they driven by hunger or did they seek safety while escaping from predators?" he asked.

难道这些水生种群的陆生祖先只是偶然掉入水中？ 还是因为饥饿或是躲避食肉动物的猎杀？

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Security everyone caught, thousands of happiness. Two predators, safety violations and paralysis.

安全人人抓，幸福千万家。安全两天敌，违章和麻痹。

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Parents often focus their attention on safety and the threat of potential predators and typically not on potential dangers when their teenager dates someone they know who is is from their own community.

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Composed of Common Sense Media, ConnectSafely, WiredSafety, Childnet International and The Family Online Safety Institute, the SAB was created primarily in response to concerns around sexual predators and sex offenders who pursue minors using social networking sites.

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