good conductor

汉语翻译

例句：

1. She knows why the metal is the good conductor.
   她知道金属为什么是好的导体。
2. A good conductor should handle himself as featly as he handles his orchestra.
   好的乐队指挥操纵自己的动作应如他操纵管弦乐队那样灵巧。
3. That iron is a good conductor is known to us all.
   铁是良导体这是我们大家都知道的。