A flat disk of metal ready for stamping as a coin; a coin blank.
硬币坯，金属坯打上戳记后用做硬币的一种水平金属圆片；
Shape it into a flat disk and wrap in plastic. Chill it for an hour.
把它放在平底盘中包上塑料膜冷却一个小时。
Viewed face on, it would look like a smooth, flat disk with little spiral structure.
面对看，它看起来像一个平稳，很少有螺旋结构扁平盘。
Now, of course the smart choice would be to just take the flat unit disk.
当然了，最佳选择是用单位圆盘。
Now, of course the smart choice would be to just take the flat unit disk.
当然了，最佳选择是用单位圆盘。
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