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新东方-柯林斯雅思备考词典
conductor
英 [kənˈdʌktə]
[NOUN]
conductors
1. [C 可数名词] （交响乐、合唱的）指挥
A conductor is a person who stands in front of an orchestra or choir and directs its performance.
2. [C 可数名词] （公共汽车等的）售票员
On a tram or a bus, the conductor is the person whose job is to sell tickets to the passengers.
3. [C 可数名词] （热、电的）导体
A conductor is a substance that heat or electricity can pass through or along.
双语例句
例：Graphite is a highly efficient conductor of electricity.
石墨是一种高效的电导体。
例：Because this channel is an electrical conductor, it provides a place for surrounding electrons to go.
因为这个通道是电导体，它为周围电子提供了去处。