“电学的”造句
磁能产生电流这一发现在
电学的领域中极为重要.
The discovery that magnetism can produce electric current is extremely important in the field of electricity.
用
电学的术语来描述就是它们经常是 ( 几乎就是 ) 电抗性的.
That means, in electronic terms, that they are often ( almost always , in fact ) reactive.