| 释义 |
per.pen.di.cu.larH.pV:7p[m5dIk7jJ7lE5, $.pV:r7pEn5dIk7jU:7lLadj [not gradable] fmlor specialized at an angle of 90° to a horizontal line or surface, or (specialized) at an angle of 90° to another line or surface垂直的，成直角的We scrambled up the nearly perpendicular side of the mountain.我们从几乎垂直的山坡上爬上山。(specialized) The wheel rotates about an axis which is perpendicular to the plane.轮子绕着一个和飞机成直角的轴旋转。
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