英汉例句

• 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。

• an insulator is a poor conductor because it has a high resistance to such flow.

  绝缘体是不良导体，因为它是对电流的通过呈高电阻的物质。

• wood is a poor conductor of heat and electricity.

  木头是热和电的不良导体。

• wood is a poor conductor of sound.

  木头是声音的不良导体。

• last thing, frost is a poor conductor of cold, according to this reason, for the purpose of saving, we also should time for refrigerator defrost.

  最后还有一点，霜是冷的不良导体，根据这点理由，出于省电的目的，我们也要定时为冰箱除霜。

• lead is a kind of poor conductor of heat and electricity and the lead flue dust is hard to clean in the industrial furnaces.

  铅是热和电的不良导体，铅烟尘是工业炉窑中很难凈化的烟尘。

• 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。

• wood is a poor conductor of sound.

  铜和银都是电的良导体。

• wood is a poor conductor of heat and electricity.

  传热快的东西是热良导体。

• a liquid that might be a poor conductor when pure is often used to make solutions that readily transmit electricity.

  既然是不良导体，怎么还用作易于导电的溶液呢？费解。

• 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。