绝缘的碘可以成为一种有金属性质的物质，而钠则可变成绝缘体。

The insulator iodine becomes a metal, and sodium becomes insulating.

youdao

我忽略了拥有“钢铁般意志”的必要性，我自己的意志力中很少或干脆没有这种特殊的金属性质。

I had overlooked the necessity of having an "iron will", my own powers of will having little or none of this peculiar metallic quality.

youdao

我忽略了拥有“钢铁般意志”的必要性，我自己的意志力中很少或干脆没有这种特殊的金属性质。

I had overlooked the necessity of having an "iron will", my own powers of will having little or none of this peculiar metallic quality.

youdao