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
Would you be driving straight to the train station?
您想直接去火车站吗？
No, I'm listening to the radio.
没有，我在听收音机。
They are arguing over who should pay the bill.
他们为谁应该付款而争论不休。