Aronson 解释说，例如在南极洲这里没有鲨鱼、鳐或者有颚骨的鱼类。
There are no sharks, rays or fish with bony jaws, for example, Aronson explained, in Antarctica.
牙齿由于形成条件的特殊性和颚骨的保护作用，因而具有很好的防腐性和抗降解性。
The tooth is anti-decomposed and anti-dissoluble because of the formation condition and palate bone protection.
他的外形古怪，摇摇晃晃地用他那取材自鲸鱼颚骨的腿驾驶着船只，根据一位鱼叉船员预言般的喃喃自语搜寻着白鲸的下落。
He makes a strange figure, teetering about his own ship on a leg made from a whale's jawbone, and seeking the prophetic mutterings of a harpoon crew member for clues on Moby Dick's location.
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