AXIS, an imaginary straight line or an actual physical component (such as an axle) around which a body can rotate.
轴线，可让物体围绕着作旋转运动的一个想像的直线或实际存在的部件(如轴)。
It turns around its axis, an imaginary line that goes straight through the middle of the earth from the North Pole to South Pole.
它绕着自己的轴旋转；地轴是一条想像的穿过地球中央的、从北极到南极的线。
It turns around its axis, an imaginary line that goes straight through the middle of the earth from the North Pole to South Pole.
它绕着自己的轴旋转；地轴是一条想像的穿过地球中央的、从北极到南极的线。
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