Pnni
[计] PNNI标准
🗣️ 情景例句
Michelle has been a different kid since we've been married.
自从我们结婚之后， Michelle变成另一个人了。
I hope no.
我希望不是。
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。