“垂直的”用英语怎么说？

该装置可以装在任何垂直或近似垂直的平面上。The gadget can be attached to any vertical or near vertical surface.这座山的北坡几乎是垂直的.The northern side of the mountain is almost vertical.偏置的任何物体都不是垂直的.Anything in a leaning position is not upright....