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.
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.
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.
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.
