Witness how the polar bear uses pressure ridges between colliding ice packs to seek out prey, how smell isp primary sense and how seals set up decoys to out-wit their would-be assailant.

看看北有熊怎样利用相撞增添块的压力去找猫物，嗅觉是这里最重要的感观，看看海豹怎样设陷阱对付敌人。

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And research has suggested that the DASH diet packs an especially powerful wallop when people simultaneously work to reduce salt intake, a known blood pressure booster.

同时有研究表明，DASH饮食带有一个特别强有力的好处就是人们会同时减少盐的摄入量，而盐是血压提高的一个元凶。

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