| 单词 | pavement tooth |
| 释义 | > as lemmaspavement tooth pavement tooth n. each of the broad flat teeth forming a pavement (sense 3d), as in certain sharks (usually in plural). ΚΠ 1863 J. D. Dana Man. Geol. 473 Pavement-teeth of a fish of the old Cestraciont group. 1912 J. McCabe Story Evol. vii. 96 In the bulk of the Devonian sharks these developed into what are significantly called ‘pavement teeth’. 1996 J. D. Archbald Dinosaur Extinction & End of Era v. 87 Jaws of the modern dasyatid ray Hylophus sephen, showing pavement teeth similar to isolated teeth of Myledaphus bipartitus. < as lemmas |
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