The craftsman burnished the brass plates until they glowed.

工匠把铜板打磨得发亮。

But a metamaterial—a clever arrangement of thin brass plates bent into tiny maze-like shapes—has just the right properties.

但是有一种超材料，巧妙设计弯曲成小迷宫形状般的的薄黄铜片就具有了上述适合的属性。

Holmes pointed as we passed to the small brass plate which bore the curious name.

福尔摩斯指了指刻有这个奇怪名字的小黄铜牌。

You push well at the side of the brass plate at the top, till it goes like a bolt: then you can put the key in the front lock and turn it.

你在顶部的黄铜板的侧面很好地推动， 直到它像螺栓一样转动：然后你可以将钥匙插入前锁并转动它。