n. 颚骨,上颚,小颚;上颌骨
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- A helmet - shaped part,such as the upper petal of certain plants or part of the maxilla of an insect.
盔瓣盔状部分,例如特定植物的上部花瓣或者昆虫下颚部分收藏 - The apex of the insect maxilla.
昆虫下颚的顶点收藏 - The mandible or maxilla or the part of the face covering these bones.
颌骨的部分上颌骨或下颌骨或被脸所掩盖的骨头的一部分收藏 - Jaw: Either of two bones that frame the mouth: a movable lower jaw (mandible) and a fixed upper jaw (maxilla).
颚:构成脊椎动物嘴的框架的骨骼,包括一个能活动的下颚和固定不动的上颚。收藏
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