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'd like to make an appointment with him.
我想跟他约个晤谈时间。
You'll be sorry.
你会后悔的。
I can see a sweater.
我看见了一件羊毛衫。