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
We forgot to turn the oven on.
我们忘了开烤箱开关。
A squirrel cracks the nuts.
松鼠在啃坚果.
No, that's not my bike.
不，那不是我的自行车。