Underfrequency
降低了的频率, 最低的频率, 低于额定频率
🗣️ 情景例句
He began to seek jobs in the classified advertisement column in the newspaper.
他开始从报纸的分类广告栏找工作。
Plenty is no plague.
富裕绝非灾祸。
Why not?
为什么？