zhóu​xīn

axis

轴心 軸心 zhóu​xīn
axis noun
A central element or key part of an organization or system
axle center
The physical center of a wheel axle or a shaft that rotates a wheel
the Axis
A military and political alliance of nations (e.g., the Axis powers of WWII)

Frequency

Movie subtitles
0.300 per million appears in 0% of films
Written text
1.34 per million

Sources