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
As a matter of fact,
事实上，
It's very popular.
它很受欢迎。
But this phase of our development is now finished.
但这个发展阶段已经结束。