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
She is dying to know where you've been.
她极想知道你到哪去了。
Familiar paths and old friends are the best.
熟路好遵循，老友最可珍。
Yes, I do. I have two, a son and a daughter.
有两个，一个儿子，一个女儿。