what does trace down mean?

what does trace down mean? What does all this come down to what does let me down mean? trace wolf down the food what does it means What does your mother or father haveWhat does your mother or father have at home?Please write them down.翻译！ What does means?大神们帮帮忙请问英文中up and down是什么意思. What does going downmean in the last paragrph?的句子意思 To lay down everything in its full light,...what does it mean The police managed to ------- down the man in Glasgow.A.trace Btrack what is it that goes up and goes down but does not move?求大神级回答 句子 英语翻译the boy fell down ,he helped the boy to his feet.what does 'to his feet' mean? what's that down Quick Wits1.What is dark but made by light?2.Why does the sky cry?3.What did one spider say to another?4.What does up but never comes down?5.What falls down all the time but never gets hurt?6.What gets bigger when you take away more from it?7.What go Trace and trace是什么意思 trace.back. trace是什么意思