“验电器”的拼音为：yàn diàn qì...

图4 - 2就是目前实验室里的验电器样式.Figure 4 - 2 shows a present - day laboratory version of the electroscope.验电器的叶片慢慢张开.The leaves of the electroscope slowly diverge.图 4-2 就是目前实验室里的验电器样式.Figure 4 - 2 a present - day laboratory version...

“验电器”的英语可以翻译为：electroscope，rheoscope，clectroscope，radioscope ...