My mouth is full of sharp, cone-shaped teeth.

我的口中满是尖尖的锥形牙齿。

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The animals, called conodonts, possessed rows of sharp, interlocking cone-shaped teeth that raked prey into their mouths.

这种叫作牙形刺的动物长有数排相互咬合的圆锥状利牙，像钉耙一样将猎物“耙”入口中。

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But the dolphin has a bottle-shaped nose and cone-shaped teeth while the porpoise has a flat nose and chisel-shaped teeth.

但是“dolphin”有长圆形的鼻子和锥形的牙齿，而“porpoise”的鼻子却是扁平形，牙齿是凿形的。

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