perpendicular

与某物成直角或形成直角

At or forming a right angle (to something).

十四至十五世纪英国哥特式建筑的一种风格,特点是线条僵硬平直,多为垂直窗棂、内凹或四心拱、扇形拱顶和镶板墙壁。

Of a style of English Gothic architecture from the fourteenth and fifteenth centuries, marked by stiff and rectilinear lines, mostly vertical window-tracery, depressed or four-centre arch, fan-tracery vaulting, and panelled walls.

完全垂直的；沿直线朝向地心等的

Exactly upright; extending in a straight line toward the centre of the earth, etc.

相互独立或无关的；正交的

Independent of or irrelevant to each other; orthogonal.