| 单词 | 齿冠 |
| 释义 | 〔molar〕A tooth with a broad crown used to grind food, located behind the premolars.臼齿：一种用作研磨食物的有宽齿冠的位于前磨牙后的牙齿〔cap〕A crown for covering or sealing a tooth.齿冠：遮盖或密封牙齿的冠状物〔crown〕An artificial substitute for the natural crown of a tooth.假齿冠：天然齿冠的人造替代品〔crown〕The part of a tooth that is covered by enamel and projects beyond the gum line.齿冠：露在牙床外面的、被釉质覆盖的那部分牙齿〔stem〕The small projecting shaft with an expanded crown by which a watch is wound.（发条的）转柄：手表上紧发条用的带展开齿冠的小而突出的柄 |
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