Underswing
负脉冲(信号)(瞬态特性), 负尖峰(信号)
🗣️ 情景例句
You're a real Stewart!
你真是我们Stewart家的人！
It's been cloudy all morning.
整个早上多云。
Hold on for a moment, please. I'm sorry he isn't here right now. May I help you?
请稍等一下。对不起，他现在不在这里。我能帮您的忙吗？