conductors
[kən'dʌktəz]
n.
导体( conductor的名词复数 );
售票员;
（乐队）指挥;
导管（套管的一种）;
例句:
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Young conductors earn their spurs in a small orchestra or opera house.
年轻的指挥家们在小乐队或小歌剧院里崭露头角。
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The diesels roared, the conductors jumped aboard, and off the train went.
内燃机发出轰鸣声, 列车员跳上车厢, 火车开走了.
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In addition to copper, there are many other metals which are good conductors.
除了铜之外, 还有很多其他金属都是良导体.
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How many conductors have there been at Carnegie?
来自WSJ
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We use the term orchestra conductors instead.
来自WSJ
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Poor conductors of heat are called insulators.
来自BBC