学习资料
[意 思]n. (公共汽车的)售票员
[例]  He asked the conductor for a five penny ticket. 他向售票员买一张五分票。
n. 指挥
[例]  The conductor is good at keeping the players together.乐队指挥善于使表演者奏协调。
n. 列车长
[例]  He jumped up and sought the conductor. 他跳起来,去找列车员。
n. [物]导体
[例]  She knows why the metal is the good conductor.她知道金属为什么是好的导体。