Underfrequency
降低了的频率, 最低的频率, 低于额定频率
🗣️ 情景例句
The apples?
苹果吗？
I can't help but be astonished by that acrobat.
我不能不为那杂技演员的表演而深为惊讶。
We're going to watch a football game. Would you like to come too?
我们打算看一场足球赛。你也来好吗？