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
I appreciate your help very much.
我非常感激你的帮助。
If you have something to say…say it!
有话快说。
Looking into the drawing room, she saw a scene of confusion over by her writing desk.
她往起居室里看去，写字台边一片狼籍。