Hfc
abbr. [电]高频电流（high-frequency current）
✅ 同义词
🗣️ 情景例句
Everyone saw the story in the Riverdale newspaper.
每个人都已看到Riverdale报纸上的新闻。
Free at last!
解脱了！
There was a notice in the supermarket.
超市里有一个布告。