earspoolofcopperandsilver这儿的spool是什么意思,是耳环么
Archaeologistshavedeterminedthatthecomplex-calledMoundCity-wasapparentlybothavillageandaburialsite.■Numerousartifactshavebeenfoundinexcavationsoftheburialmounds.■Theyincludeshellbreads,bearandsharkteeth,pottery,andearspoolsofcopperandsilver.
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