| 单词 | upper jaw |
| 释义 | upper jaw (once / 11680 pages) n WORD FAMILY upper jaw: upper jaws USAGE EXAMPLESThis group of whales certainly still had teeth, but grooves and holes in their upper jaws suggest they had baleen at the same time. The Guardian(Nov 29, 2016) The mud dragon’s upper jaw is highly convex at the front of its snout, which implies a specialized diet. National Geographic(Nov 10, 2016) The maxilla and premaxilla are bones of the upper jaw. Reuters(Oct 20, 2016) n the jaw in vertebrates that is fused to the cranium Syn|Hyper maxilla, maxillary, upper jawbone jaw the part of the skull of a vertebrate that frames the mouth and holds the teeth |
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