electroscope

释义

n. 验电器\n[化] 验电器

例句

It was an electroscope which contained a small amount of radium.

这是一个验电器，其中载有少量的镭。

As there was already pre-charge applied to the electroscope , an additional little charge caused reaction.

由于已经有预充电适用于验电器，额外收取很少引起的反应。