Right now it's known as a "living fossil. " But the frilled shark may be on its way to joining its ancestors.

现在被认为是“活化石”，但皱鳃鲨可能也会走上它祖先的道路上。

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With a mouthful of three-pointed teeth, the frilled shark may be a fearsome hunter, but it's considered harmless to humans.

满口的三角牙证明皱鳃鲨是凶猛的捕食者，但科学家认为它不会攻击人类。

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With a mouthful of three-pointed teeth, the frilled shark may be a fearsome hunter, but it's considered harmless to humans.

满口的三角牙证明皱鳃鲨是凶猛的捕食者，但科学家认为它不会攻击人类。

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