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
How's Donald?
Donald怎么样？
These shoes are worn-out.They've lasted a long time.
这些鞋子旧了。已经用了很长时间了。
Just let me wipe your table and then I'll take your order. OK?
让我先吧桌子擦擦再听您点菜好吗？