Begin by standing upright in the middle of a room. Without using your arms or hands for leverage, carefully squat into a cross-legged sitting position.
2
乘客们要在一台特殊的机器上做深蹲，这台机器能识别使用者的姿势是否正确。
Riders perform the squats in front of a special machine which can tell if the person is in the correct position.
3
乘客们要在一台特殊的机器上做深蹲，这台机器能识别使用者的姿势是否正确。
Riderss perform the squats in front of a special machine which can tell if the person is in the correct position.
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