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
Not exactly.
不完全。
I can't handle this alone.
我无法单独处理这事。
How far is it?
有多远？