Underfrequency
降低了的频率, 最低的频率, 低于额定频率
🗣️ 情景例句
It seems to me I scheduled something else.
好像我还安排了什么别的事情。
When did you graduste?
你什么时候毕业的？
After all, I am the only one of my aunt's relations still alive.
不管怎么说，我是我伯母的亲戚中唯一一个还活着的人。