Bend knees and lift legs and pedal with legs in a cycling motion.

弯曲膝关节举起大腿，同时蹬腿呈骑行动作。

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Bend knees and lift legs and pedal with legs in a cycling motion.

弯曲膝关节举起大腿，同时蹬腿呈骑行动作。

youdao