此陀螺运动叫做进动。

This gyroscopic motion is called precession.

youdao

MRI是将患者置于某一强磁场中，该磁场可让患者机体原子核（其运动类似于磁化的陀螺）顺着磁场方向排列。

In MRI, the patient is placed in a strong magnetic field that causes some of his body's atomic nuclei, which act like tiny magnetised spinning tops, to align themselves with the field.

youdao

陀螺被用来指示陆上的、海上的或空中的运动体的方向。

A gyrocompass is required to indicate the heading of a land, sea, or air vehicle.

youdao