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 really glad to see you.
我真高兴看到你。
Envy.
羡慕。
I see what your mean.
我了解你的意思。