爱华网adj.
垂直的, 正交的
垂线
英英解释:名词perpendicular:
1. a straight line at right angles to another line
2. a Gothic style in 14th and 15th century England; characterized by verticalLINESand a four-centered (Tudor) arch and fanvaulting
同义词：perpendicular style,English-Gothic,English-Gothic architecture
3. a cord from which a metal weight is suspendedpointingdirectly to the earth's center of gravity; used to determine the vertical from a given point
同义词：plumb line
4. an extremely steep face
形容词perpendicular:
1. intersecting at or forming right angles
2. at right angles to the plane of the horizon or a base line
同义词：vertical
3. extremely steep
