Electroscopy
验电法; 气体电离检定法
🗣️ 情景例句
When was your reservation?
您预定的是什么时候？
In the kingdom of blind men, the oneeyed is king.
生在盲人国，独眼也称王。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，