As the moon plunges deeper into the Earth's shadow, the disk will appear to gradually change color, turning from silver to orange or red.
当月球逐渐进入地球的阴影时，月面会逐渐改变颜色，从银色变成橘红色或红色。
SEM pictures show that cysteine can etch the corner of triangular silver nanoprisms. And the shape of silver nanoprisms transformed from triangle to disk.
SEM观察到银纳米三角的角部会被半胱氨酸腐蚀，形状山三角形变为圆盘型。
The silver was at once removed from the large disk, and the new reflecting surface applied.
于是银粉立即从大圆盘上除去，新的反射层取而代之。
On one side of the floppy disk is a place for a label. On the other side is a silver circle with two holes in it.
软盘的一面可以贴上标签，另一面是一个银色的圆盘，上面有两个洞。
On one side of the floppy disk is a place for a label. On the other side is a silver circle with two holes in it.
软盘的一面可以贴上标签，另一面是一个银色的圆盘，上面有两个洞。
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