Trunks of bare - twigged birches gleamed like worn columns of silver - plated copper.

只剩下光秃秃枝条的树干反着光,像残破的镀银的紫铜支柱.

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This silver - plated copper commemorative medallion with a diameter of 50 mm is made by coinage technique.

此枚纪念章为铜质镀银,直径50毫米,造币工艺制造.

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