吻部，通常指动物向前突出的口、唇等。
头和吻部上允许有少许白色。
论文配图之一，显示出这条幼年蛇吃了一只吃了昆虫的蜥蜴。箭头指处为蜥蜴的吻部末端。
An image from the study showing the juvenile snake that ate a lizard that ate an insect. The arrow points to tip of the lizard's snout. (Credit: Krister T. Smith)
犬不能有明显的斑迹，除了耳、吻部、尾尖的黑色外，所有这些地方理想的颜色为深色，甚至黑色。
The dog must have no distinctive markings except for the desirable black points of ears, muzzle and tip of tail, all of which points are preferably dark even to black.
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