perpendicular
US /ˌpɝː.pənˈdɪk.juː.lɚ/
UK /ˌpɝː.pənˈdɪk.juː.lɚ/
形容词
1.
垂直
at an angle of 90° to a horizontal line or surface:
示例:
•
We scrambled up the almost perpendicular side of the mountain.
名词
1.
垂直
a perpendicular line:
示例:
•
Draw a perpendicular from the vertex of the triangle to its base.
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