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来源:雅诚德英语网
Next, they imprinted a block of gold with a microscopic chessboard pattern of chemicals.
然后他们用化学方法绘制微小的棋盘图案。
Next, they imprinted a block of gold with a microscopic chessboard pattern of chemicals.
然后他们用化学方法绘制微小的棋盘图案。