top-down-left-right sequence
... top-down left-to-right ordering 自上而下自左至右定序 top-down-left-right sequence 自上而下自左至右次序 the top left-hand corner 左上角 ...
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top-down-left-right sequence 自顶向下自左至右次序 set down left foot and swing right elbow 落步右拐肘 ..
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