Slowing down or stopping, turning while moving or standing still, and stepping or getting pushed sideways are all forms of acceleration.
减慢或停止，移动或静止不动时的转身，迈步或者侧身挤，这些全都是加速度的形式。
Slowing down or stopping, turning while moving or standing still, and stepping or getting pushed sideways are all forms of acceleration.
减慢或停止，移动或静止不动时的转身，迈步或者侧身挤，这些全都是加速度的形式。
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