Electroscopy
验电法; 气体电离检定法
🗣️ 情景例句
Uh, are you going to be busy this evening?
今晚忙吗？
Be my guest.
别客气。
Then she introduced us to Carlos and told us they would get married next week'.
然后她把我们介绍给卡洛斯，并告诉我们说他们下星期结婚。”