metallic conductivity

例句：

1. 1. The metal is highly conductive, allowing for easy heat transfer.
   这种金属导电性好，便于热量传递。
2. 2. Electrical conductivity is a critical factor in determining the efficiency of electronic devices.
   电导率是决定电子设备效率的关键因素。
3. 3. The researcher found that the addition of certain metals could significantly improve the conductivity of the material.
   研究者发现，某些金属的添加可以显著提高材料的导电性。