C2
[计] 操作系统安全性级别c2
🗣️ 情景例句
If we don't get dressed,
假如我们不去打扮的话，
The diamonds of other countries are always the most beautiful.
别国的钻石是最美丽的。
He simply had no sense of danger at all.
而是他压根儿没有一点儿危险感。