良导体的英文：
good conductor

参考例句：

Gold is a good conductor.
金是良导体。

It is well known that iron is a good conductor.
铁是良导体这是我们大家都知道的。

Copper is a good conductor of electricity.
铜是电的良导体

Copper and aluminum are good conductors of heat and electricity
铜和铝是热和电的良导体

Why metals is good conductor is a question.
为什么金属是良导体还是个疑问。

Characteristically, metals are opaque, ductile, and good conductors of heat and electricity.
从特点来看,金属不透明,有韧性,是热和电的良导体。

good是什么意思：
adj. 好的；令人满意的；愉快的；仁慈的
n. 好处；利益；有道德的人或事
adv. 好

A good appetite is a good sauce
饥不择食

The prompt goods have good qualities.
当场付款的物品质量不错。

Be not simply good; be good for something.
不要单纯做个好人，还要做个能派上用场的人。

Have a good mind
很想…

Good gracious, no!
天哪，不！

conductor是什么意思：
n. 指挥；领导者；列车员；导体

He's the conductor of an expedition.
他是远征队队长。

The conductor signaled the orchestra to rise.
指挥打手势让乐队起立。

The conductor shambled to the next carriage.
售票员慵懒地拖着脚走向下一节车厢。

A material obeying ohm's law is called an ohmic conductor or a linear conductor
凡是遵守欧姆定律的材料，都叫做欧姆导体或线性导体。

He's the conductor of our team.
他是我们团队的领导者。