a person who directs the performance of an orchestra or choir
(管弦乐队或合唱团的)指挥。
a person who collects fares and sells tickets on a bus
(公共汽车的)售票员。
〈北美〉 列车长。
【物理】 导体
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most polymers are poor conductors. 大多数聚合物是不良导体。
short for
<Bold>LIGHTNING CONDUCTOR</Bold>的简称。
〈英〉 传导教育的引导者。
"late Middle English (denoting a military leader): via Old French from Latin