C2
[计] 操作系统安全性级别c2
🗣️ 情景例句
Well, let me see.
哦，让我想想。
The sooner the better.
越快越好。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。