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
And now there's Max Stewart.
现在又加上Max Stewart。
My hobby is collecting records.
我的嗜好是收集唱片。
Two weeks ago it had a baby.
两周前它生了个孩子。