单词 | perpendicular |
例句 | perpendicular adjective 1.•the perpendicular stones:upright, vertical, erect, plumb, straight (up and down), on end, standing, upended. ANT horizontal. 2.•lines perpendicular to each other:at right angles, at 90 degrees. 3.•the perpendicular hillside:steep, sheer, precipitous, abrupt, bluff, vertiginous. |
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