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Youmayusebanknoteseveryday.Butdidyouknowthatthereisalot...
问题详情:Youmayusebanknoteseveryday.Butdidyouknowthatthereisalotofsciencebehindthemoney?___16___Australiawasthefirstcountrytousepolymer(聚合物)banknotesin1988.___17___Theycanstopwaterfrommakingthemwet.T...
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