Spn
abbr. 业务提供者网络（Service Provider Network）；最短进程优先（Shortest Process Next）
🗣️ 情景例句
When they come out, we'll get it.
一出来， 我们就会拿到手。
Confession is the first step to repentance.
悔罪先须认罪。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。