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
Nervous about the opening tonight?
对今晚开幕感到紧张吗？
The athletes competed for the honor of their country.
选手们为了国家的荣誉而互相竞赛。
I am not sure such data does exist.
我不确定是否有这样的资料存在。