Underfrequency
降低了的频率, 最低的频率, 低于额定频率
🗣️ 情景例句
It helps enormously.
这个帮助很大。
Why don't you turn off the stupid program?
何不把无聊的节目关掉？
The small ship, Elkor, which had been searching the Barents Sea for weeks, was on its way home.
小船“埃尔科”号在巴伦支海搜寻了几个星期之后，正在返航途中。