Underfrequency
降低了的频率, 最低的频率, 低于额定频率
🗣️ 情景例句
There must be a way
总该有个办法
In good years corn is hay, in ill years straw is corn.
丰年五谷贱如草，荒年稻草贵如粮。
About a third of the people who had been chained up below at the beginning of the journey were missing.
旅程开始时拴在下边的人大约有三分之一已经不见了。