哺乳动物食肉目中的猫、犬、狼、虎、豹、狮等动物的牙齿为切齿型，上颌的最后1个前臼齿和下颌的第1臼齿特别发达。
n. carnassial
misc. carnassial tooth
裂齿：上颚最后的一只前臼齿，下颚最前的一只臼齿。
Carnassial: Last premolar of upper jaw, first molar of lower jaw.
裂齿，食肉齿适合于撕裂肉的牙齿，尤指食肉哺乳动物最后上前臼齿之一或第一个下臼齿。
A tooth adapted for tearing apart flesh especially one of the last upper premolar or first lower molar teeth in carnivorous mammals.
不幸的是，上颚的第四颗前臼齿很大，看起来就象是下颚的第一颗臼齿，这颗前臼齿也被称作叫裂齿。
Unfortunately, the fourth premolar in the upper jaw is quite large and looks like the first molar in the lower jaw; it is known as a carnassial tooth.
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