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。
Right now it's known as a "living fossil. " But the frilled shark may be on its way to joining its ancestors.
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。
With a mouthful of three-pointed teeth, the frilled shark may be a fearsome hunter, but it's considered harmless to humans.
皱鳃鲨可以称得上是活化石了，在外形上还保留着许多它生活在恐龙时代海洋中的先祖的特征。
Considered living fossils, frilled sharks bear many physical characteristics of ancestors who swam the seas in the time of the dinosaurs.
皱鳃鲨可以称得上是活化石了，在外形上还保留着许多它生活在恐龙时代海洋中的先祖的特征。
Considered living fossils, frilled sharks bear many physical characteristics of ancestors who swam the seas in the time of the dinosaurs.
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