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1·Wood is a poor conductor.

木头是不良导体。

2·Wood is a poor conductor of heat and electricity.

木头是热和电的不良导体。

3·Plastic is a poor conductor.

塑料是不良导体。

4·Wood is a poor conductor of sound.

木头是声音的不良导体。

5·Liquids, which contain no free electrons, are poor conductor of electricity.

液体由于没有自由移动的电子因而是电的不良导体。

6·Wood is a poor conductor of heat and electricity but a metal conducts, well in both cases.

木材不容易传热也不容易导电，而金属却易于传热导电。

7·A poor conductor of heat and electricity, glass takes on colours when certain metal oxides are included in the mix. Most glass Breaks easily.

是电和热的不良导体；混合物中含有某些金属氧化物时，玻璃会呈现出不同的颜色。大多数种类的玻璃容易破碎。

8·A conductor is a poor insulator because it has a low resistance to such flow.

导体可说是不良绝缘体，因为它的电阻很低。