GbEng
齐平地使其均匀、在一个平面上或留边排版 So as to be even, in one plane, or aligned with a margin.
翼剖面；机翼；翼面一个部件或平面，如机翼、螺旋桨叶、方向舵等，其形状或方位控制稳定性、方向、抬升、冲击或驱动 A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion.
水晶一种具有晶体结构的矿石，尤指石英的一种透明形态，通常其晶面在同一平面上 A mineral, especially a transparent form of quartz, having a crystalline structure, often characterized by external planar faces.
平面规，测平仪在精密金属加工中用于测定平面表面精度的金属平板 A flat metal plate for gauging the accuracy of a plane surface in precision metalworking.
抛物线到一固定直线和不在直线上某一固定点等距的点的轨迹所形成的平面曲线 A plane curve formed by the locus of points equidistant from a fixed line and a fixed point not on the line.
全面的，全对称晶形的具有在给定的晶体系统中全面对称的全部平面的 Having as many planes as required for complete symmetry in a given crystal system.
风势已减弱了、 温度已下降了、 水平面已降低了很多. The wind, temperature, water level, etc has dropped considerably.
正方形是二维的（平面的）, 而正六面体则是三维的（立体的）. A square is two-dimensional and a cube is three-dimensional.
纬线，纬度圈与赤道平面平行且环绕地球用来表明纬度高低的许多假想线中的任意一条 Any of the imaginary lines representing degrees of latitude that encircle the earth parallel to the plane of the equator.