Underfrequency
降低了的频率, 最低的频率, 低于额定频率
🗣️ 情景例句
Good-bye, Dean Rafer.
再见， Rafer主任。
No everybody puts the highest value on him.
不，人人对他都有最高的评价。
the editor was getting impatient, for the magazine would soon go to press.
在此期间，编辑等得不耐烦了，因为杂志马上要付印。