Sni
abbr. sequence-number indicator 序编号指示器
🗣️ 情景例句
That's it.
对啦
Certainly. Here you are.
当然罗。给您。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。