a step back; the retrograde movement without changing front (James Mil. Dict. 1816).
| 单词 | θ107929 | 
| 释义 | the world > movement > motion in a certain direction > backward movement > 			[noun]		 > step (1)		 back-step1562 a step back; the retrograde movement without changing front (James Mil. Dict. 1816). | 
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