Fluctuating current
[电] 增减起伏电流
🧩 词语组成解析
v. 波动（fluctuate的ing形式）
🗣️ 情景例句
Um ... where's Mom?
唔……妈妈呢？
There's something wrong with the phone.
电话出了点儿毛病。
I'll get you some tea now.
我这就给你们端茶水来。