英汉词典

1. 水平的;横的
    Something that is horizontal is flat and level with the ground, rather than at an angle to it.

horizontal

    e.g. The board consists of vertical and horizontal lines...
           板上画着横纵的线条。
    e.g. Swing the club back until it is horizontal.
           将球杆向后挥至水平位置。