C2
[计] 操作系统安全性级别c2
🗣️ 情景例句
A little special country music.
一点特殊的乡村音乐。
Rats leave (or desert or forsake) a sinking ship.
船沈鼠先窜。
Can you tell me why our bid was not accepted?
请告诉我为什么我们没有得标好吗？