axis

1.轴（旋转物体假想的中心线）an imaginary line through the centre of an object, around which the object turns

2.坐标轴a fixed line against which the positions of points are measured, especially points on a graph

3.对称中心线（将物体平分为二）a line that divides a shape into two equal parts

4.[ususing]轴心（国与国之间的协议或联盟）an agreement or alliance between two or more countries

1.轴,轴线

2.【政】轴心

3.【物】光轴;【化】晶轴

4.【植】茎轴

5.【解】第二颈椎,第二脊骨

1.an imaginary line through the middle of an object such as a planet, around which it seems to spin; an imaginary line that divides a square, circle, or other regular shape into two equal halves

2.in mathematics, one of the two fixed lines used for showing measurements or finding the position of points on a graph

3.an agreement between two or more countries or people that gives them power or influence