1. They retraced their steps to where they started. ����˳ԭ·���ۻص����dz����ĵص㡣
2. Q. Do you like to retrace the routes you used to drive or walk many years before? ���Ƿ���Ҫ�ط��Լ��ܾ���ǰϰ���ߵĻ�·��?
3. No. They are nowhere in the whole world. But I'm gonna find them. I'm gonna retrace every step I took today. ���ڡ����Dz�������������ˡ����ǣ���Ҫ�ҵ����ǡ���Ҫ�����ҽ����ߵ�ÿһ����
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v.
1. to go back over again
2. reassemble mentally