Changes in phase are used to detect motion— like breathing or pulse.

相位变化用于检测运动——如呼吸或脉搏。

When I fell in love with music, it was right around the time i realized how marvelous it was that an artist could transcend so many different changes and phases in lives.

我爱上音乐之后，总是会觉得一名艺术家可以跨越人们生活的不同阶段简，这简直不可思议。