| 1. | Electric currents persisted only for a moment . 电的流动只持续短暂时间。 |
| 2. | Wood is a poor conductor of heat and electricity . 木头是热和电的不良导体。 |
| 3. | The carbon is electrophilic centre . 碳是亲电的中心。 |
| 4. | An atom contains small particles carrying two kinds of electricity . 原子含有带有两种电的微粒。 |
| 5. | An electrified wire can be strung along the outer edges of this flange . 在外缘引上一条通了电的电线。 |
| 6. | This potentiality for producing a force is called an electric field . 这种产生电的潜在可能性叫做电场。 |
| 7. | Touching a single live conductor has no effect if the body is isolated . 孤立的人体接触单个有电的导体没有什么影响。 |
| 8. | Gilbert proposed in 1600 that electrical effects arise from an electric fluid . 1600年,吉伯提出,电效应起因于一种电的流质。 |
| 9. | We must consider what conception of electricity had been formed hitherto . 我们必须仔细思量一下迄今为止已形成的电的概念是什么。 |
| 10. | For maximum precision the thermal measurements are usually made electrically . 为了获得最高的精密度,通常用电的方法来进行热测量。 |