Sppa
abbr. single-pumped parametric amplifier 单频抽运参量放大器; Society for the Preservation of Poultry Antiquities 家禽古迹保护协会
🗣️ 情景例句
I'm sick and tired of your criticisms.
不要再说了，我已经听腻了你的批评。
Kennedy Airport, please. I have to be there by 7:00.
请到肯尼迪机场。我得在七点前赶到那儿。
It's a bit windy today, isn't it?
今天有点风，是不是？