conductor

• The direction of the force on the upper conductor is downward .
  作用于上导体的力的方向朝下。
• Crystals may be insulators, semiconductors, or conductors .
  晶体可以是绝缘体，半导体，或导体。
• The young soprano was taken up by a famous conductor .
  那年轻的女高音歌手受到一著名指挥家的提携。
• In 1856 smetana accepted a post as conductor in sweden .
  1856年，斯美塔纳接受了瑞典的一个指挥职位。
• "oh, shut up, will you all?" exclaimed the conductor .
  “啊，你们全给我闭嘴，”列车员大声疾呼的说。
• The orchestra were all in position , waiting for the conductor .
  管弦乐队队员都已各就各位，等待着指挥。
• At the conductor 's whistle the engine-driver starts his locomotive-engine .
  乘务员哨声一响，司机开动机车。
• I want to report the conductor of that bus that's just gone .
  我要向你告发刚刚开走的那辆公共汽车上的售票员。
• Leaving the dinning-car i asked the conductor for the first service .
  离开餐车时，我跟乘务员索取第一批就餐券。
• The polarity of the ends of the open-circuit conductor may then be deduced .
  这样就可以断定开路导体两端的极性。