He is right. Arithmatic is one thing, but logic is another.

Metal is a good conductor of electric current.

金属是电流良好的导体.

Aluminum is a good conductor of heat.

铝是热的良导体.

Why metals are good conductor is a question.

为什么金属是良导体是个疑问.

Aluminium as well as most metals is a good conductor.

铝和大多数金属一样,是良导体.

Copper whose resistance is very low serves as a good conductor.

电阻很低的铜可用作良导体.

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.

Copper, like many other metals, is a good conductor.

铜与其他许多金属一样是良导体.

Were air a good conductor of heat, we should be burned.

假如空气是好的导热体, 我们就会被烧死.

Metal is a good conductor of electricity.

金属是电的良导体.

Gold is a good conductor.

金是良导体.

She knows why the metal is the good conductor.

她知道金属为什么是好的导体.

His moral conduct was praised by people.

他的德行受到人们的称赞.

Often standards A requirement of moral conduct.

常作standards道德标准:道德行为的要求.

Virtue is a moral conduct , with self-sacrifice as the means of altruism.

美德是一种以 自我牺牲 作为利他的手段的道德品质.

Nonmetals such as wood, glass and plastic cannot conduct heat easily.

非金属例如木, 玻璃和塑料不能很轻易地传热.

All metals do not conduct electricity equally well.

并非所以的金属都具有同样好的导电性能.

Materials such as rubber cannot conduct electricity.

橡皮之类的物质不能导电.

Plastic and rubber won't conduct electricity.

塑料和橡胶不导电.

Most metals conduct electricity.

大多数金属能导电.

Glass does not conduct electricity.

玻璃不导电.