从侧面看，额头和口吻处于同一垂直平面上，与头顶的水平面正好成直角。
In profile, the forehead and muzzle touch on the same vertical plane of a right Angle whose horizontal plane is the top of the skull.
从侧面看，额头和口吻处于同一垂直平面上，与头顶的水平面正好成直角。
In profile, the forehead and muzzle touch on the same vertical plane of a right Angle whose horizontal plane is the top of the skull.
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