ADJECTIVE | PREPOSITION | PHRASESADJECTIVE➤horizontal, vertical橫軸;縱軸▸➤x, y, z * x 軸; y 軸; z 軸PREPOSITION➤along an/the axis沿着軸線◇The speed is measured along the horizontal axis.速度用橫軸線來表示。➤on an/the axis繞⋯軸◇The earth spins on its axis.地球繞地軸旋轉。PHRASES➤an axis of rotation旋轉軸◇the earth's axis of rotation地球的旋轉軸➤an axis of symmetry對稱軸