这种不寻常的能力被称为形状记忆效果(XXXXXE)。其它一些合金如黄铜在一定程度上也具有这种特性。

This remarkable ability is called Shape Memory Effect (XXXXXE); other alloys, such as brasses, are known to possess it to a limited extent.

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较软的材料，如黄铜，更容易受到损伤，但是也更有延展性，因此它们实际上可以通过变形来最大限度减少缺陷。

Softer materials, such as brass, are more easily damaged, yet are also more malleable, so they can actually deform to minimize imperfections.

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他嗜烟如命，以至于把黄铜质的痰盂都放在白宫。

He was such a fan of chewing tobacco that brass spittoons were installed in the White House.

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