木头是不良导体。
Wood is a poor conductor of heat and electricity.
木头是热和电的不良导体。
塑料是不良导体。
Wood is a poor conductor of sound.
木头是声音的不良导体。
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。
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。
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。
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。
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。
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