Fluctuating voltage
[电] 增减起伏电压
🧩 词语组成解析
v. 波动（fluctuate的ing形式）
🗣️ 情景例句
We're not?
不在这里？
I would like you to keep is a secret.
我要你保守秘密。
I had a very good seat.
我的座位很好，