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单词 pan bone
释义

> as lemmas

pan bone
d. U.S. The broad posterior end of the lower jawbone of a marine mammal. Now more fully pan bone.
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the world > animals > mammals > order Cetacea (whales) > [noun] > large member of (whale) > parts of > bones of mouth
whalebone1834
pan1884
1884 J. T. Brown Whale Fishery in Bull. U.S. National Mus. No. 27. 293 These cases contain the ‘pans’ (posterior portions of the jaw-bone of the sperm-whale).
1902 N.Y. Times 25 May 12/3 In scrimshawing so large an object as the sperm whale ‘pan’ or broad part of the jawbone,..free-hand drawing or engraving is resorted to by the artist.
1975 N.Y. Times 6 Apr. bqli10/3 The process begins with a piece of ivory, which is either a whole tooth or pan bone of the jawbone of a sperm whale.
1995 C. J. Howard Dolphin Chron. (1996) vi. 143 Sound enters the ear via the ‘pan bone’ of the jaw.
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