Underswing
负脉冲(信号)(瞬态特性), 负尖峰(信号)
🗣️ 情景例句
The Jones next door just bought a yacht, we might have to see about financing one ourselves.
隔壁的琼斯一家刚买了游艇，我们也该弄一条。
That's easy for you to say.
你说的容易。
Where have Jim and Kate gone?
吉姆和凯特去哪儿了？