Underfrequency
降低了的频率, 最低的频率, 低于额定频率
🗣️ 情景例句
My head is killing me.
我的头疼死了。
This country is famous for its beautiful lakes.
这个国家以其美丽的湖泊而闻名于世。
Who's kicking off?
现在是谁在开球？