A usually pliable metallic strand or rod made in many lengths and diameters,sometimes clad and often electrically insulated,used chiefly for structural support or to conduct electricity.

• 金属丝，金属线有各种长度和直径的通常易弯的金属制的线或条，有时有包层、通常绝缘，主要用于结构上的支撑或输送电流。