Electroscopy
验电法; 气体电离检定法
🗣️ 情景例句
Thank you, no.
谢谢， 不用了。
You give me the money. I'll get you the goods.
一手交钱，一手交货。
He had his supper, listened to the radio, read a newspaper and then went to bed.
他吃晚餐，听收音机，读报纸，然后睡觉。